1f1220db8SAlexander V. Chernikov /* 21a33e799SAlexander V. Chernikov * Copyright (c) 2014 Yandex LLC 31a33e799SAlexander V. Chernikov * Copyright (c) 2014 Alexander V. Chernikov 4f1220db8SAlexander V. Chernikov * 5f1220db8SAlexander V. Chernikov * Redistribution and use in source forms, with and without modification, 6f1220db8SAlexander V. Chernikov * are permitted provided that this entire comment appears intact. 7f1220db8SAlexander V. Chernikov * 8f1220db8SAlexander V. Chernikov * Redistribution in binary form may occur without any restrictions. 9f1220db8SAlexander V. Chernikov * Obviously, it would be nice if you gave credit where credit is due 10f1220db8SAlexander V. Chernikov * but requiring it would be too onerous. 11f1220db8SAlexander V. Chernikov * 12f1220db8SAlexander V. Chernikov * This software is provided ``AS IS'' without any warranties of any kind. 13f1220db8SAlexander V. Chernikov * 141a33e799SAlexander V. Chernikov * in-kernel ipfw tables support. 15f1220db8SAlexander V. Chernikov * 169fe15d06SAlexander V. Chernikov * $FreeBSD$ 17f1220db8SAlexander V. Chernikov */ 18f1220db8SAlexander V. Chernikov 19f1220db8SAlexander V. Chernikov 20f1220db8SAlexander V. Chernikov #include <sys/types.h> 21f1220db8SAlexander V. Chernikov #include <sys/param.h> 22f1220db8SAlexander V. Chernikov #include <sys/socket.h> 23f1220db8SAlexander V. Chernikov #include <sys/sysctl.h> 24f1220db8SAlexander V. Chernikov 25f1220db8SAlexander V. Chernikov #include <ctype.h> 26f1220db8SAlexander V. Chernikov #include <err.h> 27f1220db8SAlexander V. Chernikov #include <errno.h> 28f1220db8SAlexander V. Chernikov #include <netdb.h> 29f1220db8SAlexander V. Chernikov #include <stdio.h> 30f1220db8SAlexander V. Chernikov #include <stdlib.h> 31f1220db8SAlexander V. Chernikov #include <string.h> 32f1220db8SAlexander V. Chernikov #include <sysexits.h> 33f1220db8SAlexander V. Chernikov 34f1220db8SAlexander V. Chernikov #include <net/if.h> 35f1220db8SAlexander V. Chernikov #include <netinet/in.h> 36f1220db8SAlexander V. Chernikov #include <netinet/ip_fw.h> 37f1220db8SAlexander V. Chernikov #include <arpa/inet.h> 382530ed9eSAndrey V. Elsukov #include <netdb.h> 39f1220db8SAlexander V. Chernikov 40f1220db8SAlexander V. Chernikov #include "ipfw2.h" 41f1220db8SAlexander V. Chernikov 42ac35ff17SAlexander V. Chernikov static void table_modify_record(ipfw_obj_header *oh, int ac, char *av[], 433a845e10SAlexander V. Chernikov int add, int quiet, int update, int atomic); 44ac35ff17SAlexander V. Chernikov static int table_flush(ipfw_obj_header *oh); 45ac35ff17SAlexander V. Chernikov static int table_destroy(ipfw_obj_header *oh); 46ac35ff17SAlexander V. Chernikov static int table_do_create(ipfw_obj_header *oh, ipfw_xtable_info *i); 47adf3b2b9SAlexander V. Chernikov static int table_do_modify(ipfw_obj_header *oh, ipfw_xtable_info *i); 4846d52008SAlexander V. Chernikov static int table_do_swap(ipfw_obj_header *oh, char *second); 49adf3b2b9SAlexander V. Chernikov static void table_create(ipfw_obj_header *oh, int ac, char *av[]); 50adf3b2b9SAlexander V. Chernikov static void table_modify(ipfw_obj_header *oh, int ac, char *av[]); 51adf3b2b9SAlexander V. Chernikov static void table_lookup(ipfw_obj_header *oh, int ac, char *av[]); 524f43138aSAlexander V. Chernikov static void table_lock(ipfw_obj_header *oh, int lock); 5346d52008SAlexander V. Chernikov static int table_swap(ipfw_obj_header *oh, char *second); 54ac35ff17SAlexander V. Chernikov static int table_get_info(ipfw_obj_header *oh, ipfw_xtable_info *i); 55f1220db8SAlexander V. Chernikov static int table_show_info(ipfw_xtable_info *i, void *arg); 56f1220db8SAlexander V. Chernikov 57421c5838SAndrey V. Elsukov static int table_destroy_one(ipfw_xtable_info *i, void *arg); 58f1220db8SAlexander V. Chernikov static int table_flush_one(ipfw_xtable_info *i, void *arg); 59f1220db8SAlexander V. Chernikov static int table_show_one(ipfw_xtable_info *i, void *arg); 60720ee730SAlexander V. Chernikov static int table_do_get_list(ipfw_xtable_info *i, ipfw_obj_header **poh); 61f1220db8SAlexander V. Chernikov static void table_show_list(ipfw_obj_header *oh, int need_header); 6281d3153dSAlexander V. Chernikov static void table_show_entry(ipfw_xtable_info *i, ipfw_obj_tentry *tent); 63f1220db8SAlexander V. Chernikov 64ac35ff17SAlexander V. Chernikov static void tentry_fill_key(ipfw_obj_header *oh, ipfw_obj_tentry *tent, 650cba2b28SAlexander V. Chernikov char *key, int add, uint8_t *ptype, uint32_t *pvmask, ipfw_xtable_info *xi); 66ac35ff17SAlexander V. Chernikov static void tentry_fill_value(ipfw_obj_header *oh, ipfw_obj_tentry *tent, 670cba2b28SAlexander V. Chernikov char *arg, uint8_t type, uint32_t vmask); 680cba2b28SAlexander V. Chernikov static void table_show_value(char *buf, size_t bufsize, ipfw_table_value *v, 690cba2b28SAlexander V. Chernikov uint32_t vmask, int print_ip); 70ac35ff17SAlexander V. Chernikov 71f1220db8SAlexander V. Chernikov typedef int (table_cb_t)(ipfw_xtable_info *i, void *arg); 72f1220db8SAlexander V. Chernikov static int tables_foreach(table_cb_t *f, void *arg, int sort); 73f1220db8SAlexander V. Chernikov 74f1220db8SAlexander V. Chernikov #ifndef s6_addr32 75f1220db8SAlexander V. Chernikov #define s6_addr32 __u6_addr.__u6_addr32 76f1220db8SAlexander V. Chernikov #endif 77f1220db8SAlexander V. Chernikov 78ac35ff17SAlexander V. Chernikov static struct _s_x tabletypes[] = { 79c21034b7SAlexander V. Chernikov { "addr", IPFW_TABLE_ADDR }, 80ac35ff17SAlexander V. Chernikov { "iface", IPFW_TABLE_INTERFACE }, 81b23d5de9SAlexander V. Chernikov { "number", IPFW_TABLE_NUMBER }, 82914bffb6SAlexander V. Chernikov { "flow", IPFW_TABLE_FLOW }, 83ac35ff17SAlexander V. Chernikov { NULL, 0 } 84ac35ff17SAlexander V. Chernikov }; 85ac35ff17SAlexander V. Chernikov 86ac35ff17SAlexander V. Chernikov static struct _s_x tablevaltypes[] = { 870cba2b28SAlexander V. Chernikov { "skipto", IPFW_VTYPE_SKIPTO }, 880cba2b28SAlexander V. Chernikov { "pipe", IPFW_VTYPE_PIPE }, 890cba2b28SAlexander V. Chernikov { "fib", IPFW_VTYPE_FIB }, 900cba2b28SAlexander V. Chernikov { "nat", IPFW_VTYPE_NAT }, 910cba2b28SAlexander V. Chernikov { "dscp", IPFW_VTYPE_DSCP }, 920cba2b28SAlexander V. Chernikov { "tag", IPFW_VTYPE_TAG }, 930cba2b28SAlexander V. Chernikov { "divert", IPFW_VTYPE_DIVERT }, 940cba2b28SAlexander V. Chernikov { "netgraph", IPFW_VTYPE_NETGRAPH }, 950cba2b28SAlexander V. Chernikov { "limit", IPFW_VTYPE_LIMIT }, 960cba2b28SAlexander V. Chernikov { "ipv4", IPFW_VTYPE_NH4 }, 970cba2b28SAlexander V. Chernikov { "ipv6", IPFW_VTYPE_NH6 }, 98adf3b2b9SAlexander V. Chernikov { NULL, 0 } 99adf3b2b9SAlexander V. Chernikov }; 100adf3b2b9SAlexander V. Chernikov 101ac35ff17SAlexander V. Chernikov static struct _s_x tablecmds[] = { 102ac35ff17SAlexander V. Chernikov { "add", TOK_ADD }, 103ac35ff17SAlexander V. Chernikov { "delete", TOK_DEL }, 10446d52008SAlexander V. Chernikov { "create", TOK_CREATE }, 105ac35ff17SAlexander V. Chernikov { "destroy", TOK_DESTROY }, 106ac35ff17SAlexander V. Chernikov { "flush", TOK_FLUSH }, 107adf3b2b9SAlexander V. Chernikov { "modify", TOK_MODIFY }, 10846d52008SAlexander V. Chernikov { "swap", TOK_SWAP }, 109ac35ff17SAlexander V. Chernikov { "info", TOK_INFO }, 110358b9d09SAlexander V. Chernikov { "detail", TOK_DETAIL }, 111ac35ff17SAlexander V. Chernikov { "list", TOK_LIST }, 11281d3153dSAlexander V. Chernikov { "lookup", TOK_LOOKUP }, 1133a845e10SAlexander V. Chernikov { "atomic", TOK_ATOMIC }, 1144f43138aSAlexander V. Chernikov { "lock", TOK_LOCK }, 1154f43138aSAlexander V. Chernikov { "unlock", TOK_UNLOCK }, 116ac35ff17SAlexander V. Chernikov { NULL, 0 } 117ac35ff17SAlexander V. Chernikov }; 118ac35ff17SAlexander V. Chernikov 119f1220db8SAlexander V. Chernikov static int 120f1220db8SAlexander V. Chernikov lookup_host (char *host, struct in_addr *ipaddr) 121f1220db8SAlexander V. Chernikov { 122f1220db8SAlexander V. Chernikov struct hostent *he; 123f1220db8SAlexander V. Chernikov 124f1220db8SAlexander V. Chernikov if (!inet_aton(host, ipaddr)) { 125f1220db8SAlexander V. Chernikov if ((he = gethostbyname(host)) == NULL) 126f1220db8SAlexander V. Chernikov return(-1); 127f1220db8SAlexander V. Chernikov *ipaddr = *(struct in_addr *)he->h_addr_list[0]; 128f1220db8SAlexander V. Chernikov } 129f1220db8SAlexander V. Chernikov return(0); 130f1220db8SAlexander V. Chernikov } 131f1220db8SAlexander V. Chernikov 132f1220db8SAlexander V. Chernikov /* 133f1220db8SAlexander V. Chernikov * This one handles all table-related commands 134ac35ff17SAlexander V. Chernikov * ipfw table NAME create ... 135be695df9SAlexander V. Chernikov * ipfw table NAME modify ... 136421c5838SAndrey V. Elsukov * ipfw table {NAME | all} destroy 137be695df9SAlexander V. Chernikov * ipfw table NAME swap NAME 138be695df9SAlexander V. Chernikov * ipfw table NAME lock 139be695df9SAlexander V. Chernikov * ipfw table NAME unlock 140ac35ff17SAlexander V. Chernikov * ipfw table NAME add addr[/masklen] [value] 141be695df9SAlexander V. Chernikov * ipfw table NAME add [addr[/masklen] value] [addr[/masklen] value] .. 142be695df9SAlexander V. Chernikov * ipfw table NAME delete addr[/masklen] [addr[/masklen]] .. 143be695df9SAlexander V. Chernikov * ipfw table NAME lookup addr 144ac35ff17SAlexander V. Chernikov * ipfw table {NAME | all} flush 145ac35ff17SAlexander V. Chernikov * ipfw table {NAME | all} list 146ac35ff17SAlexander V. Chernikov * ipfw table {NAME | all} info 147be695df9SAlexander V. Chernikov * ipfw table {NAME | all} detail 148f1220db8SAlexander V. Chernikov */ 149f1220db8SAlexander V. Chernikov void 150f1220db8SAlexander V. Chernikov ipfw_table_handler(int ac, char *av[]) 151f1220db8SAlexander V. Chernikov { 152ac35ff17SAlexander V. Chernikov int do_add, is_all; 1533a845e10SAlexander V. Chernikov int atomic, error, tcmd; 154ac35ff17SAlexander V. Chernikov ipfw_xtable_info i; 155ac35ff17SAlexander V. Chernikov ipfw_obj_header oh; 156f1220db8SAlexander V. Chernikov char *tablename; 157d8caf56eSAndrey V. Elsukov uint8_t set; 158358b9d09SAlexander V. Chernikov void *arg; 159f1220db8SAlexander V. Chernikov 160ac35ff17SAlexander V. Chernikov memset(&oh, 0, sizeof(oh)); 161ac35ff17SAlexander V. Chernikov is_all = 0; 162ac35ff17SAlexander V. Chernikov if (co.use_set != 0) 163ac35ff17SAlexander V. Chernikov set = co.use_set - 1; 164ac35ff17SAlexander V. Chernikov else 165ac35ff17SAlexander V. Chernikov set = 0; 166f1220db8SAlexander V. Chernikov 167f1220db8SAlexander V. Chernikov ac--; av++; 1689d099b4fSAlexander V. Chernikov NEED1("table needs name"); 169f1220db8SAlexander V. Chernikov tablename = *av; 170f1220db8SAlexander V. Chernikov 171ac35ff17SAlexander V. Chernikov if (table_check_name(tablename) == 0) { 172ac35ff17SAlexander V. Chernikov table_fill_ntlv(&oh.ntlv, *av, set, 1); 173ac35ff17SAlexander V. Chernikov oh.idx = 1; 174ac35ff17SAlexander V. Chernikov } else { 175ac35ff17SAlexander V. Chernikov if (strcmp(tablename, "all") == 0) 176ac35ff17SAlexander V. Chernikov is_all = 1; 177ac35ff17SAlexander V. Chernikov else 178ac35ff17SAlexander V. Chernikov errx(EX_USAGE, "table name %s is invalid", tablename); 179ac35ff17SAlexander V. Chernikov } 180ac35ff17SAlexander V. Chernikov ac--; av++; 1819d099b4fSAlexander V. Chernikov NEED1("table needs command"); 182ac35ff17SAlexander V. Chernikov 183be695df9SAlexander V. Chernikov tcmd = get_token(tablecmds, *av, "table command"); 1843a845e10SAlexander V. Chernikov /* Check if atomic operation was requested */ 1853a845e10SAlexander V. Chernikov atomic = 0; 1863a845e10SAlexander V. Chernikov if (tcmd == TOK_ATOMIC) { 1873a845e10SAlexander V. Chernikov ac--; av++; 1883a845e10SAlexander V. Chernikov NEED1("atomic needs command"); 189be695df9SAlexander V. Chernikov tcmd = get_token(tablecmds, *av, "table command"); 1903a845e10SAlexander V. Chernikov switch (tcmd) { 1913a845e10SAlexander V. Chernikov case TOK_ADD: 1923a845e10SAlexander V. Chernikov break; 1933a845e10SAlexander V. Chernikov default: 1943a845e10SAlexander V. Chernikov errx(EX_USAGE, "atomic is not compatible with %s", *av); 1953a845e10SAlexander V. Chernikov } 1963a845e10SAlexander V. Chernikov atomic = 1; 1973a845e10SAlexander V. Chernikov } 198ac35ff17SAlexander V. Chernikov 199ac35ff17SAlexander V. Chernikov switch (tcmd) { 200ac35ff17SAlexander V. Chernikov case TOK_LIST: 201ac35ff17SAlexander V. Chernikov case TOK_INFO: 202358b9d09SAlexander V. Chernikov case TOK_DETAIL: 203ac35ff17SAlexander V. Chernikov case TOK_FLUSH: 204421c5838SAndrey V. Elsukov case TOK_DESTROY: 205ac35ff17SAlexander V. Chernikov break; 206ac35ff17SAlexander V. Chernikov default: 207ac35ff17SAlexander V. Chernikov if (is_all != 0) 208ac35ff17SAlexander V. Chernikov errx(EX_USAGE, "table name required"); 209ac35ff17SAlexander V. Chernikov } 210ac35ff17SAlexander V. Chernikov 211ac35ff17SAlexander V. Chernikov switch (tcmd) { 212ac35ff17SAlexander V. Chernikov case TOK_ADD: 213ac35ff17SAlexander V. Chernikov case TOK_DEL: 214f1220db8SAlexander V. Chernikov do_add = **av == 'a'; 215f1220db8SAlexander V. Chernikov ac--; av++; 2163a845e10SAlexander V. Chernikov table_modify_record(&oh, ac, av, do_add, co.do_quiet, 2173a845e10SAlexander V. Chernikov co.do_quiet, atomic); 218ac35ff17SAlexander V. Chernikov break; 219ac35ff17SAlexander V. Chernikov case TOK_CREATE: 220f1220db8SAlexander V. Chernikov ac--; av++; 221ac35ff17SAlexander V. Chernikov table_create(&oh, ac, av); 222ac35ff17SAlexander V. Chernikov break; 223adf3b2b9SAlexander V. Chernikov case TOK_MODIFY: 224adf3b2b9SAlexander V. Chernikov ac--; av++; 225adf3b2b9SAlexander V. Chernikov table_modify(&oh, ac, av); 226adf3b2b9SAlexander V. Chernikov break; 227ac35ff17SAlexander V. Chernikov case TOK_DESTROY: 228421c5838SAndrey V. Elsukov if (is_all == 0) { 22976d03257SAndrey V. Elsukov if (table_destroy(&oh) == 0) 23076d03257SAndrey V. Elsukov break; 23176d03257SAndrey V. Elsukov if (errno != ESRCH) 232421c5838SAndrey V. Elsukov err(EX_OSERR, "failed to destroy table %s", 233421c5838SAndrey V. Elsukov tablename); 23476d03257SAndrey V. Elsukov /* ESRCH isn't fatal, warn if not quiet mode */ 23576d03257SAndrey V. Elsukov if (co.do_quiet == 0) 23676d03257SAndrey V. Elsukov warn("failed to destroy table %s", tablename); 237421c5838SAndrey V. Elsukov } else { 238421c5838SAndrey V. Elsukov error = tables_foreach(table_destroy_one, &oh, 1); 239421c5838SAndrey V. Elsukov if (error != 0) 240421c5838SAndrey V. Elsukov err(EX_OSERR, 241421c5838SAndrey V. Elsukov "failed to destroy tables list"); 242421c5838SAndrey V. Elsukov } 243ac35ff17SAlexander V. Chernikov break; 244ac35ff17SAlexander V. Chernikov case TOK_FLUSH: 245f1220db8SAlexander V. Chernikov if (is_all == 0) { 24676d03257SAndrey V. Elsukov if ((error = table_flush(&oh)) == 0) 24776d03257SAndrey V. Elsukov break; 24876d03257SAndrey V. Elsukov if (errno != ESRCH) 249f1220db8SAlexander V. Chernikov err(EX_OSERR, "failed to flush table %s info", 250f1220db8SAlexander V. Chernikov tablename); 25176d03257SAndrey V. Elsukov /* ESRCH isn't fatal, warn if not quiet mode */ 25276d03257SAndrey V. Elsukov if (co.do_quiet == 0) 25376d03257SAndrey V. Elsukov warn("failed to flush table %s info", 25476d03257SAndrey V. Elsukov tablename); 255f1220db8SAlexander V. Chernikov } else { 256ac35ff17SAlexander V. Chernikov error = tables_foreach(table_flush_one, &oh, 1); 257f1220db8SAlexander V. Chernikov if (error != 0) 258f1220db8SAlexander V. Chernikov err(EX_OSERR, "failed to flush tables list"); 25976d03257SAndrey V. Elsukov /* XXX: we ignore errors here */ 260f1220db8SAlexander V. Chernikov } 261ac35ff17SAlexander V. Chernikov break; 26246d52008SAlexander V. Chernikov case TOK_SWAP: 26346d52008SAlexander V. Chernikov ac--; av++; 26446d52008SAlexander V. Chernikov NEED1("second table name required"); 26546d52008SAlexander V. Chernikov table_swap(&oh, *av); 26646d52008SAlexander V. Chernikov break; 2674f43138aSAlexander V. Chernikov case TOK_LOCK: 2684f43138aSAlexander V. Chernikov case TOK_UNLOCK: 2694f43138aSAlexander V. Chernikov table_lock(&oh, (tcmd == TOK_LOCK)); 2704f43138aSAlexander V. Chernikov break; 271358b9d09SAlexander V. Chernikov case TOK_DETAIL: 272ac35ff17SAlexander V. Chernikov case TOK_INFO: 273358b9d09SAlexander V. Chernikov arg = (tcmd == TOK_DETAIL) ? (void *)1 : NULL; 274f1220db8SAlexander V. Chernikov if (is_all == 0) { 275ac35ff17SAlexander V. Chernikov if ((error = table_get_info(&oh, &i)) != 0) 276f1220db8SAlexander V. Chernikov err(EX_OSERR, "failed to request table info"); 277358b9d09SAlexander V. Chernikov table_show_info(&i, arg); 278f1220db8SAlexander V. Chernikov } else { 279358b9d09SAlexander V. Chernikov error = tables_foreach(table_show_info, arg, 1); 280f1220db8SAlexander V. Chernikov if (error != 0) 281f1220db8SAlexander V. Chernikov err(EX_OSERR, "failed to request tables list"); 282f1220db8SAlexander V. Chernikov } 283ac35ff17SAlexander V. Chernikov break; 284ac35ff17SAlexander V. Chernikov case TOK_LIST: 285ac35ff17SAlexander V. Chernikov if (is_all == 0) { 286ac35ff17SAlexander V. Chernikov ipfw_xtable_info i; 287ac35ff17SAlexander V. Chernikov if ((error = table_get_info(&oh, &i)) != 0) 288ac35ff17SAlexander V. Chernikov err(EX_OSERR, "failed to request table info"); 289ac35ff17SAlexander V. Chernikov table_show_one(&i, NULL); 290f1220db8SAlexander V. Chernikov } else { 291ac35ff17SAlexander V. Chernikov error = tables_foreach(table_show_one, NULL, 1); 292ac35ff17SAlexander V. Chernikov if (error != 0) 293ac35ff17SAlexander V. Chernikov err(EX_OSERR, "failed to request tables list"); 294f1220db8SAlexander V. Chernikov } 295ac35ff17SAlexander V. Chernikov break; 29681d3153dSAlexander V. Chernikov case TOK_LOOKUP: 29781d3153dSAlexander V. Chernikov ac--; av++; 29881d3153dSAlexander V. Chernikov table_lookup(&oh, ac, av); 29981d3153dSAlexander V. Chernikov break; 300f1220db8SAlexander V. Chernikov } 301f1220db8SAlexander V. Chernikov } 302f1220db8SAlexander V. Chernikov 303d8caf56eSAndrey V. Elsukov void 304d8caf56eSAndrey V. Elsukov table_fill_ntlv(ipfw_obj_ntlv *ntlv, const char *name, uint8_t set, 3052acdf79fSAndrey V. Elsukov uint16_t uidx) 306f1220db8SAlexander V. Chernikov { 307f1220db8SAlexander V. Chernikov 308563b5ab1SAlexander V. Chernikov ntlv->head.type = IPFW_TLV_TBL_NAME; 309f1220db8SAlexander V. Chernikov ntlv->head.length = sizeof(ipfw_obj_ntlv); 310f1220db8SAlexander V. Chernikov ntlv->idx = uidx; 311ac35ff17SAlexander V. Chernikov ntlv->set = set; 312f1220db8SAlexander V. Chernikov strlcpy(ntlv->name, name, sizeof(ntlv->name)); 313f1220db8SAlexander V. Chernikov } 314f1220db8SAlexander V. Chernikov 315f1220db8SAlexander V. Chernikov static void 316f1220db8SAlexander V. Chernikov table_fill_objheader(ipfw_obj_header *oh, ipfw_xtable_info *i) 317f1220db8SAlexander V. Chernikov { 318f1220db8SAlexander V. Chernikov 319f1220db8SAlexander V. Chernikov oh->idx = 1; 32081d3153dSAlexander V. Chernikov table_fill_ntlv(&oh->ntlv, i->tablename, i->set, 1); 321ac35ff17SAlexander V. Chernikov } 322ac35ff17SAlexander V. Chernikov 323ac35ff17SAlexander V. Chernikov static struct _s_x tablenewcmds[] = { 324ac35ff17SAlexander V. Chernikov { "type", TOK_TYPE }, 325ac35ff17SAlexander V. Chernikov { "valtype", TOK_VALTYPE }, 326ac35ff17SAlexander V. Chernikov { "algo", TOK_ALGO }, 3274c0c07a5SAlexander V. Chernikov { "limit", TOK_LIMIT }, 3284f43138aSAlexander V. Chernikov { "locked", TOK_LOCK }, 329ac35ff17SAlexander V. Chernikov { NULL, 0 } 330ac35ff17SAlexander V. Chernikov }; 331ac35ff17SAlexander V. Chernikov 332914bffb6SAlexander V. Chernikov static struct _s_x flowtypecmds[] = { 333914bffb6SAlexander V. Chernikov { "src-ip", IPFW_TFFLAG_SRCIP }, 334914bffb6SAlexander V. Chernikov { "proto", IPFW_TFFLAG_PROTO }, 335914bffb6SAlexander V. Chernikov { "src-port", IPFW_TFFLAG_SRCPORT }, 336914bffb6SAlexander V. Chernikov { "dst-ip", IPFW_TFFLAG_DSTIP }, 337914bffb6SAlexander V. Chernikov { "dst-port", IPFW_TFFLAG_DSTPORT }, 338914bffb6SAlexander V. Chernikov { NULL, 0 } 339914bffb6SAlexander V. Chernikov }; 340914bffb6SAlexander V. Chernikov 341914bffb6SAlexander V. Chernikov int 342914bffb6SAlexander V. Chernikov table_parse_type(uint8_t ttype, char *p, uint8_t *tflags) 343914bffb6SAlexander V. Chernikov { 3440cba2b28SAlexander V. Chernikov uint32_t fset, fclear; 3450cba2b28SAlexander V. Chernikov char *e; 346914bffb6SAlexander V. Chernikov 347914bffb6SAlexander V. Chernikov /* Parse type options */ 348914bffb6SAlexander V. Chernikov switch(ttype) { 349914bffb6SAlexander V. Chernikov case IPFW_TABLE_FLOW: 350914bffb6SAlexander V. Chernikov fset = fclear = 0; 3510cba2b28SAlexander V. Chernikov if (fill_flags(flowtypecmds, p, &e, &fset, &fclear) != 0) 3520cba2b28SAlexander V. Chernikov errx(EX_USAGE, 3530cba2b28SAlexander V. Chernikov "unable to parse flow option %s", e); 354914bffb6SAlexander V. Chernikov *tflags = fset; 355914bffb6SAlexander V. Chernikov break; 356914bffb6SAlexander V. Chernikov default: 357914bffb6SAlexander V. Chernikov return (EX_USAGE); 358914bffb6SAlexander V. Chernikov } 359914bffb6SAlexander V. Chernikov 360914bffb6SAlexander V. Chernikov return (0); 361914bffb6SAlexander V. Chernikov } 362914bffb6SAlexander V. Chernikov 363914bffb6SAlexander V. Chernikov void 364914bffb6SAlexander V. Chernikov table_print_type(char *tbuf, size_t size, uint8_t type, uint8_t tflags) 365914bffb6SAlexander V. Chernikov { 366914bffb6SAlexander V. Chernikov const char *tname; 367914bffb6SAlexander V. Chernikov int l; 368914bffb6SAlexander V. Chernikov 369914bffb6SAlexander V. Chernikov if ((tname = match_value(tabletypes, type)) == NULL) 370914bffb6SAlexander V. Chernikov tname = "unknown"; 371914bffb6SAlexander V. Chernikov 372914bffb6SAlexander V. Chernikov l = snprintf(tbuf, size, "%s", tname); 373914bffb6SAlexander V. Chernikov tbuf += l; 374914bffb6SAlexander V. Chernikov size -= l; 375914bffb6SAlexander V. Chernikov 376914bffb6SAlexander V. Chernikov switch(type) { 377914bffb6SAlexander V. Chernikov case IPFW_TABLE_FLOW: 378914bffb6SAlexander V. Chernikov if (tflags != 0) { 379914bffb6SAlexander V. Chernikov *tbuf++ = ':'; 380914bffb6SAlexander V. Chernikov l--; 381914bffb6SAlexander V. Chernikov print_flags_buffer(tbuf, size, flowtypecmds, tflags); 382914bffb6SAlexander V. Chernikov } 383914bffb6SAlexander V. Chernikov break; 384914bffb6SAlexander V. Chernikov } 385914bffb6SAlexander V. Chernikov } 386914bffb6SAlexander V. Chernikov 387ac35ff17SAlexander V. Chernikov /* 388ac35ff17SAlexander V. Chernikov * Creates new table 389ac35ff17SAlexander V. Chernikov * 390c21034b7SAlexander V. Chernikov * ipfw table NAME create [ type { addr | iface | number | flow } ] 391ac35ff17SAlexander V. Chernikov * [ algo algoname ] 392ac35ff17SAlexander V. Chernikov */ 393ac35ff17SAlexander V. Chernikov static void 394ac35ff17SAlexander V. Chernikov table_create(ipfw_obj_header *oh, int ac, char *av[]) 395ac35ff17SAlexander V. Chernikov { 396ac35ff17SAlexander V. Chernikov ipfw_xtable_info xi; 397ac35ff17SAlexander V. Chernikov int error, tcmd, val; 3980cba2b28SAlexander V. Chernikov uint32_t fset, fclear; 3990cba2b28SAlexander V. Chernikov char *e, *p; 400ac35ff17SAlexander V. Chernikov char tbuf[128]; 401ac35ff17SAlexander V. Chernikov 402ac35ff17SAlexander V. Chernikov memset(&xi, 0, sizeof(xi)); 403ac35ff17SAlexander V. Chernikov 404ac35ff17SAlexander V. Chernikov while (ac > 0) { 405be695df9SAlexander V. Chernikov tcmd = get_token(tablenewcmds, *av, "option"); 406ac35ff17SAlexander V. Chernikov ac--; av++; 407ac35ff17SAlexander V. Chernikov 408ac35ff17SAlexander V. Chernikov switch (tcmd) { 4094c0c07a5SAlexander V. Chernikov case TOK_LIMIT: 4104c0c07a5SAlexander V. Chernikov NEED1("limit value required"); 4114c0c07a5SAlexander V. Chernikov xi.limit = strtol(*av, NULL, 10); 4124c0c07a5SAlexander V. Chernikov ac--; av++; 4134c0c07a5SAlexander V. Chernikov break; 414ac35ff17SAlexander V. Chernikov case TOK_TYPE: 415ac35ff17SAlexander V. Chernikov NEED1("table type required"); 416914bffb6SAlexander V. Chernikov /* Type may have suboptions after ':' */ 417914bffb6SAlexander V. Chernikov if ((p = strchr(*av, ':')) != NULL) 418914bffb6SAlexander V. Chernikov *p++ = '\0'; 419ac35ff17SAlexander V. Chernikov val = match_token(tabletypes, *av); 420914bffb6SAlexander V. Chernikov if (val == -1) { 421914bffb6SAlexander V. Chernikov concat_tokens(tbuf, sizeof(tbuf), tabletypes, 422914bffb6SAlexander V. Chernikov ", "); 423914bffb6SAlexander V. Chernikov errx(EX_USAGE, 424914bffb6SAlexander V. Chernikov "Unknown tabletype: %s. Supported: %s", 425ac35ff17SAlexander V. Chernikov *av, tbuf); 426914bffb6SAlexander V. Chernikov } 427914bffb6SAlexander V. Chernikov xi.type = val; 428914bffb6SAlexander V. Chernikov if (p != NULL) { 429914bffb6SAlexander V. Chernikov error = table_parse_type(val, p, &xi.tflags); 430914bffb6SAlexander V. Chernikov if (error != 0) 431914bffb6SAlexander V. Chernikov errx(EX_USAGE, 432914bffb6SAlexander V. Chernikov "Unsupported suboptions: %s", p); 433914bffb6SAlexander V. Chernikov } 434914bffb6SAlexander V. Chernikov ac--; av++; 435ac35ff17SAlexander V. Chernikov break; 436ac35ff17SAlexander V. Chernikov case TOK_VALTYPE: 437ac35ff17SAlexander V. Chernikov NEED1("table value type required"); 4380cba2b28SAlexander V. Chernikov fset = fclear = 0; 4390cba2b28SAlexander V. Chernikov val = fill_flags(tablevaltypes, *av, &e, &fset, &fclear); 440ac35ff17SAlexander V. Chernikov if (val != -1) { 4410cba2b28SAlexander V. Chernikov xi.vmask = fset; 442ac35ff17SAlexander V. Chernikov ac--; av++; 443ac35ff17SAlexander V. Chernikov break; 444ac35ff17SAlexander V. Chernikov } 445ac35ff17SAlexander V. Chernikov concat_tokens(tbuf, sizeof(tbuf), tablevaltypes, ", "); 446ac35ff17SAlexander V. Chernikov errx(EX_USAGE, "Unknown value type: %s. Supported: %s", 4470cba2b28SAlexander V. Chernikov e, tbuf); 448adf3b2b9SAlexander V. Chernikov break; 449ac35ff17SAlexander V. Chernikov case TOK_ALGO: 450ac35ff17SAlexander V. Chernikov NEED1("table algorithm name required"); 451ac35ff17SAlexander V. Chernikov if (strlen(*av) > sizeof(xi.algoname)) 452ac35ff17SAlexander V. Chernikov errx(EX_USAGE, "algorithm name too long"); 453ac35ff17SAlexander V. Chernikov strlcpy(xi.algoname, *av, sizeof(xi.algoname)); 454ac35ff17SAlexander V. Chernikov ac--; av++; 455ac35ff17SAlexander V. Chernikov break; 4564f43138aSAlexander V. Chernikov case TOK_LOCK: 4574f43138aSAlexander V. Chernikov xi.flags |= IPFW_TGFLAGS_LOCKED; 4584f43138aSAlexander V. Chernikov break; 459ac35ff17SAlexander V. Chernikov } 460ac35ff17SAlexander V. Chernikov } 461ac35ff17SAlexander V. Chernikov 462463a577bSEitan Adler /* Set some defaults to preserve compatibility. */ 463fd0869d5SAlexander V. Chernikov if (xi.algoname[0] == '\0' && xi.type == 0) 464c21034b7SAlexander V. Chernikov xi.type = IPFW_TABLE_ADDR; 4650cba2b28SAlexander V. Chernikov if (xi.vmask == 0) 4660cba2b28SAlexander V. Chernikov xi.vmask = IPFW_VTYPE_LEGACY; 467fd0869d5SAlexander V. Chernikov 468ac35ff17SAlexander V. Chernikov if ((error = table_do_create(oh, &xi)) != 0) 469ac35ff17SAlexander V. Chernikov err(EX_OSERR, "Table creation failed"); 470f1220db8SAlexander V. Chernikov } 471f1220db8SAlexander V. Chernikov 472f1220db8SAlexander V. Chernikov /* 473ac35ff17SAlexander V. Chernikov * Creates new table 474ac35ff17SAlexander V. Chernikov * 475ac35ff17SAlexander V. Chernikov * Request: [ ipfw_obj_header ipfw_xtable_info ] 476ac35ff17SAlexander V. Chernikov * 477f1220db8SAlexander V. Chernikov * Returns 0 on success. 478f1220db8SAlexander V. Chernikov */ 479f1220db8SAlexander V. Chernikov static int 480ac35ff17SAlexander V. Chernikov table_do_create(ipfw_obj_header *oh, ipfw_xtable_info *i) 481f1220db8SAlexander V. Chernikov { 482ac35ff17SAlexander V. Chernikov char tbuf[sizeof(ipfw_obj_header) + sizeof(ipfw_xtable_info)]; 483ac35ff17SAlexander V. Chernikov int error; 484f1220db8SAlexander V. Chernikov 485ac35ff17SAlexander V. Chernikov memcpy(tbuf, oh, sizeof(*oh)); 486ac35ff17SAlexander V. Chernikov memcpy(tbuf + sizeof(*oh), i, sizeof(*i)); 487ac35ff17SAlexander V. Chernikov oh = (ipfw_obj_header *)tbuf; 488ac35ff17SAlexander V. Chernikov 489ac35ff17SAlexander V. Chernikov error = do_set3(IP_FW_TABLE_XCREATE, &oh->opheader, sizeof(tbuf)); 490ac35ff17SAlexander V. Chernikov 491ac35ff17SAlexander V. Chernikov return (error); 492ac35ff17SAlexander V. Chernikov } 493ac35ff17SAlexander V. Chernikov 494ac35ff17SAlexander V. Chernikov /* 495adf3b2b9SAlexander V. Chernikov * Modifies existing table 496adf3b2b9SAlexander V. Chernikov * 4970cba2b28SAlexander V. Chernikov * ipfw table NAME modify [ limit number ] 498adf3b2b9SAlexander V. Chernikov */ 499adf3b2b9SAlexander V. Chernikov static void 500adf3b2b9SAlexander V. Chernikov table_modify(ipfw_obj_header *oh, int ac, char *av[]) 501adf3b2b9SAlexander V. Chernikov { 502adf3b2b9SAlexander V. Chernikov ipfw_xtable_info xi; 503b6462881SAlexander V. Chernikov int tcmd; 504adf3b2b9SAlexander V. Chernikov 505adf3b2b9SAlexander V. Chernikov memset(&xi, 0, sizeof(xi)); 506adf3b2b9SAlexander V. Chernikov 507adf3b2b9SAlexander V. Chernikov while (ac > 0) { 508be695df9SAlexander V. Chernikov tcmd = get_token(tablenewcmds, *av, "option"); 509adf3b2b9SAlexander V. Chernikov ac--; av++; 510adf3b2b9SAlexander V. Chernikov 511adf3b2b9SAlexander V. Chernikov switch (tcmd) { 512adf3b2b9SAlexander V. Chernikov case TOK_LIMIT: 513adf3b2b9SAlexander V. Chernikov NEED1("limit value required"); 514adf3b2b9SAlexander V. Chernikov xi.limit = strtol(*av, NULL, 10); 515adf3b2b9SAlexander V. Chernikov xi.mflags |= IPFW_TMFLAGS_LIMIT; 516adf3b2b9SAlexander V. Chernikov ac--; av++; 517adf3b2b9SAlexander V. Chernikov break; 5180cba2b28SAlexander V. Chernikov default: 5196ef82c0aSAlan Somers errx(EX_USAGE, "cmd is not supported for modification"); 520adf3b2b9SAlexander V. Chernikov } 521adf3b2b9SAlexander V. Chernikov } 522adf3b2b9SAlexander V. Chernikov 523b6462881SAlexander V. Chernikov if (table_do_modify(oh, &xi) != 0) 524adf3b2b9SAlexander V. Chernikov err(EX_OSERR, "Table modification failed"); 525adf3b2b9SAlexander V. Chernikov } 526adf3b2b9SAlexander V. Chernikov 527adf3b2b9SAlexander V. Chernikov /* 528adf3b2b9SAlexander V. Chernikov * Modifies existing table. 529adf3b2b9SAlexander V. Chernikov * 530adf3b2b9SAlexander V. Chernikov * Request: [ ipfw_obj_header ipfw_xtable_info ] 531adf3b2b9SAlexander V. Chernikov * 532adf3b2b9SAlexander V. Chernikov * Returns 0 on success. 533adf3b2b9SAlexander V. Chernikov */ 534adf3b2b9SAlexander V. Chernikov static int 535adf3b2b9SAlexander V. Chernikov table_do_modify(ipfw_obj_header *oh, ipfw_xtable_info *i) 536adf3b2b9SAlexander V. Chernikov { 537adf3b2b9SAlexander V. Chernikov char tbuf[sizeof(ipfw_obj_header) + sizeof(ipfw_xtable_info)]; 538adf3b2b9SAlexander V. Chernikov int error; 539adf3b2b9SAlexander V. Chernikov 540adf3b2b9SAlexander V. Chernikov memcpy(tbuf, oh, sizeof(*oh)); 541adf3b2b9SAlexander V. Chernikov memcpy(tbuf + sizeof(*oh), i, sizeof(*i)); 542adf3b2b9SAlexander V. Chernikov oh = (ipfw_obj_header *)tbuf; 543adf3b2b9SAlexander V. Chernikov 544adf3b2b9SAlexander V. Chernikov error = do_set3(IP_FW_TABLE_XMODIFY, &oh->opheader, sizeof(tbuf)); 545adf3b2b9SAlexander V. Chernikov 546adf3b2b9SAlexander V. Chernikov return (error); 547adf3b2b9SAlexander V. Chernikov } 5484f43138aSAlexander V. Chernikov 5494f43138aSAlexander V. Chernikov /* 5504f43138aSAlexander V. Chernikov * Locks or unlocks given table 5514f43138aSAlexander V. Chernikov */ 5524f43138aSAlexander V. Chernikov static void 5534f43138aSAlexander V. Chernikov table_lock(ipfw_obj_header *oh, int lock) 5544f43138aSAlexander V. Chernikov { 5554f43138aSAlexander V. Chernikov ipfw_xtable_info xi; 5564f43138aSAlexander V. Chernikov 5574f43138aSAlexander V. Chernikov memset(&xi, 0, sizeof(xi)); 5584f43138aSAlexander V. Chernikov 5594f43138aSAlexander V. Chernikov xi.mflags |= IPFW_TMFLAGS_LOCK; 5604f43138aSAlexander V. Chernikov xi.flags |= (lock != 0) ? IPFW_TGFLAGS_LOCKED : 0; 5614f43138aSAlexander V. Chernikov 562b6462881SAlexander V. Chernikov if (table_do_modify(oh, &xi) != 0) 5634f43138aSAlexander V. Chernikov err(EX_OSERR, "Table %s failed", lock != 0 ? "lock" : "unlock"); 5644f43138aSAlexander V. Chernikov } 5654f43138aSAlexander V. Chernikov 566adf3b2b9SAlexander V. Chernikov /* 567ac35ff17SAlexander V. Chernikov * Destroys given table specified by @oh->ntlv. 568ac35ff17SAlexander V. Chernikov * Returns 0 on success. 569ac35ff17SAlexander V. Chernikov */ 570ac35ff17SAlexander V. Chernikov static int 571ac35ff17SAlexander V. Chernikov table_destroy(ipfw_obj_header *oh) 572ac35ff17SAlexander V. Chernikov { 573ac35ff17SAlexander V. Chernikov 574ac35ff17SAlexander V. Chernikov if (do_set3(IP_FW_TABLE_XDESTROY, &oh->opheader, sizeof(*oh)) != 0) 575f1220db8SAlexander V. Chernikov return (-1); 576f1220db8SAlexander V. Chernikov 577f1220db8SAlexander V. Chernikov return (0); 578f1220db8SAlexander V. Chernikov } 579f1220db8SAlexander V. Chernikov 580421c5838SAndrey V. Elsukov static int 581421c5838SAndrey V. Elsukov table_destroy_one(ipfw_xtable_info *i, void *arg) 582421c5838SAndrey V. Elsukov { 583421c5838SAndrey V. Elsukov ipfw_obj_header *oh; 584421c5838SAndrey V. Elsukov 585421c5838SAndrey V. Elsukov oh = (ipfw_obj_header *)arg; 586421c5838SAndrey V. Elsukov table_fill_ntlv(&oh->ntlv, i->tablename, i->set, 1); 587421c5838SAndrey V. Elsukov if (table_destroy(oh) != 0) { 588421c5838SAndrey V. Elsukov if (co.do_quiet == 0) 589421c5838SAndrey V. Elsukov warn("failed to destroy table(%s) in set %u", 590421c5838SAndrey V. Elsukov i->tablename, i->set); 591421c5838SAndrey V. Elsukov return (-1); 592421c5838SAndrey V. Elsukov } 593421c5838SAndrey V. Elsukov return (0); 594421c5838SAndrey V. Elsukov } 595421c5838SAndrey V. Elsukov 596f1220db8SAlexander V. Chernikov /* 597ac35ff17SAlexander V. Chernikov * Flushes given table specified by @oh->ntlv. 598f1220db8SAlexander V. Chernikov * Returns 0 on success. 599f1220db8SAlexander V. Chernikov */ 600f1220db8SAlexander V. Chernikov static int 601ac35ff17SAlexander V. Chernikov table_flush(ipfw_obj_header *oh) 602f1220db8SAlexander V. Chernikov { 603f1220db8SAlexander V. Chernikov 604ac35ff17SAlexander V. Chernikov if (do_set3(IP_FW_TABLE_XFLUSH, &oh->opheader, sizeof(*oh)) != 0) 605f1220db8SAlexander V. Chernikov return (-1); 606f1220db8SAlexander V. Chernikov 607f1220db8SAlexander V. Chernikov return (0); 608f1220db8SAlexander V. Chernikov } 609f1220db8SAlexander V. Chernikov 61046d52008SAlexander V. Chernikov static int 61146d52008SAlexander V. Chernikov table_do_swap(ipfw_obj_header *oh, char *second) 61246d52008SAlexander V. Chernikov { 61346d52008SAlexander V. Chernikov char tbuf[sizeof(ipfw_obj_header) + sizeof(ipfw_obj_ntlv)]; 61446d52008SAlexander V. Chernikov int error; 61546d52008SAlexander V. Chernikov 61646d52008SAlexander V. Chernikov memset(tbuf, 0, sizeof(tbuf)); 61746d52008SAlexander V. Chernikov memcpy(tbuf, oh, sizeof(*oh)); 61846d52008SAlexander V. Chernikov oh = (ipfw_obj_header *)tbuf; 61946d52008SAlexander V. Chernikov table_fill_ntlv((ipfw_obj_ntlv *)(oh + 1), second, oh->ntlv.set, 1); 62046d52008SAlexander V. Chernikov 62146d52008SAlexander V. Chernikov error = do_set3(IP_FW_TABLE_XSWAP, &oh->opheader, sizeof(tbuf)); 62246d52008SAlexander V. Chernikov 62346d52008SAlexander V. Chernikov return (error); 62446d52008SAlexander V. Chernikov } 62546d52008SAlexander V. Chernikov 62646d52008SAlexander V. Chernikov /* 62746d52008SAlexander V. Chernikov * Swaps given table with @second one. 62846d52008SAlexander V. Chernikov */ 62946d52008SAlexander V. Chernikov static int 63046d52008SAlexander V. Chernikov table_swap(ipfw_obj_header *oh, char *second) 63146d52008SAlexander V. Chernikov { 63246d52008SAlexander V. Chernikov 63346d52008SAlexander V. Chernikov if (table_check_name(second) != 0) 63446d52008SAlexander V. Chernikov errx(EX_USAGE, "table name %s is invalid", second); 63546d52008SAlexander V. Chernikov 63676d03257SAndrey V. Elsukov if (table_do_swap(oh, second) == 0) 63776d03257SAndrey V. Elsukov return (0); 63846d52008SAlexander V. Chernikov 63976d03257SAndrey V. Elsukov switch (errno) { 64046d52008SAlexander V. Chernikov case EINVAL: 64146d52008SAlexander V. Chernikov errx(EX_USAGE, "Unable to swap table: check types"); 64246d52008SAlexander V. Chernikov case EFBIG: 64346d52008SAlexander V. Chernikov errx(EX_USAGE, "Unable to swap table: check limits"); 64446d52008SAlexander V. Chernikov } 64546d52008SAlexander V. Chernikov 64646d52008SAlexander V. Chernikov return (0); 64746d52008SAlexander V. Chernikov } 64846d52008SAlexander V. Chernikov 64946d52008SAlexander V. Chernikov 650f1220db8SAlexander V. Chernikov /* 651ac35ff17SAlexander V. Chernikov * Retrieves table in given table specified by @oh->ntlv. 652f1220db8SAlexander V. Chernikov * it inside @i. 653f1220db8SAlexander V. Chernikov * Returns 0 on success. 654f1220db8SAlexander V. Chernikov */ 655f1220db8SAlexander V. Chernikov static int 656ac35ff17SAlexander V. Chernikov table_get_info(ipfw_obj_header *oh, ipfw_xtable_info *i) 657f1220db8SAlexander V. Chernikov { 658f1220db8SAlexander V. Chernikov char tbuf[sizeof(ipfw_obj_header) + sizeof(ipfw_xtable_info)]; 659f1220db8SAlexander V. Chernikov size_t sz; 660f1220db8SAlexander V. Chernikov 661f1220db8SAlexander V. Chernikov sz = sizeof(tbuf); 662f1220db8SAlexander V. Chernikov memset(tbuf, 0, sizeof(tbuf)); 663ac35ff17SAlexander V. Chernikov memcpy(tbuf, oh, sizeof(*oh)); 664f1220db8SAlexander V. Chernikov oh = (ipfw_obj_header *)tbuf; 665f1220db8SAlexander V. Chernikov 666b6462881SAlexander V. Chernikov if (do_get3(IP_FW_TABLE_XINFO, &oh->opheader, &sz) != 0) 667b6462881SAlexander V. Chernikov return (errno); 668f1220db8SAlexander V. Chernikov 669f1220db8SAlexander V. Chernikov if (sz < sizeof(tbuf)) 670ac35ff17SAlexander V. Chernikov return (EINVAL); 671f1220db8SAlexander V. Chernikov 672f1220db8SAlexander V. Chernikov *i = *(ipfw_xtable_info *)(oh + 1); 673f1220db8SAlexander V. Chernikov 674f1220db8SAlexander V. Chernikov return (0); 675f1220db8SAlexander V. Chernikov } 676f1220db8SAlexander V. Chernikov 6775f379342SAlexander V. Chernikov static struct _s_x tablealgoclass[] = { 6785f379342SAlexander V. Chernikov { "hash", IPFW_TACLASS_HASH }, 6795f379342SAlexander V. Chernikov { "array", IPFW_TACLASS_ARRAY }, 6805f379342SAlexander V. Chernikov { "radix", IPFW_TACLASS_RADIX }, 6815f379342SAlexander V. Chernikov { NULL, 0 } 6825f379342SAlexander V. Chernikov }; 6835f379342SAlexander V. Chernikov 6845f379342SAlexander V. Chernikov struct ta_cldata { 6855f379342SAlexander V. Chernikov uint8_t taclass; 6865f379342SAlexander V. Chernikov uint8_t spare4; 6875f379342SAlexander V. Chernikov uint16_t itemsize; 6885f379342SAlexander V. Chernikov uint16_t itemsize6; 6895f379342SAlexander V. Chernikov uint32_t size; 6905f379342SAlexander V. Chernikov uint32_t count; 6915f379342SAlexander V. Chernikov }; 6925f379342SAlexander V. Chernikov 6935f379342SAlexander V. Chernikov /* 6945f379342SAlexander V. Chernikov * Print global/per-AF table @i algorithm info. 6955f379342SAlexander V. Chernikov */ 6965f379342SAlexander V. Chernikov static void 6975f379342SAlexander V. Chernikov table_show_tainfo(ipfw_xtable_info *i, struct ta_cldata *d, 6985f379342SAlexander V. Chernikov const char *af, const char *taclass) 6995f379342SAlexander V. Chernikov { 7005f379342SAlexander V. Chernikov 7015f379342SAlexander V. Chernikov switch (d->taclass) { 7025f379342SAlexander V. Chernikov case IPFW_TACLASS_HASH: 7035f379342SAlexander V. Chernikov case IPFW_TACLASS_ARRAY: 7045f379342SAlexander V. Chernikov printf(" %salgorithm %s info\n", af, taclass); 7055f379342SAlexander V. Chernikov if (d->itemsize == d->itemsize6) 7065f379342SAlexander V. Chernikov printf(" size: %u items: %u itemsize: %u\n", 7075f379342SAlexander V. Chernikov d->size, d->count, d->itemsize); 7085f379342SAlexander V. Chernikov else 7095f379342SAlexander V. Chernikov printf(" size: %u items: %u " 7105f379342SAlexander V. Chernikov "itemsize4: %u itemsize6: %u\n", 7115f379342SAlexander V. Chernikov d->size, d->count, 7125f379342SAlexander V. Chernikov d->itemsize, d->itemsize6); 7135f379342SAlexander V. Chernikov break; 7145f379342SAlexander V. Chernikov case IPFW_TACLASS_RADIX: 7155f379342SAlexander V. Chernikov printf(" %salgorithm %s info\n", af, taclass); 7165f379342SAlexander V. Chernikov if (d->itemsize == d->itemsize6) 7175f379342SAlexander V. Chernikov printf(" items: %u itemsize: %u\n", 7185f379342SAlexander V. Chernikov d->count, d->itemsize); 7195f379342SAlexander V. Chernikov else 7205f379342SAlexander V. Chernikov printf(" items: %u " 7215f379342SAlexander V. Chernikov "itemsize4: %u itemsize6: %u\n", 7225f379342SAlexander V. Chernikov d->count, d->itemsize, d->itemsize6); 7235f379342SAlexander V. Chernikov break; 7245f379342SAlexander V. Chernikov default: 7255f379342SAlexander V. Chernikov printf(" algo class: %s\n", taclass); 7265f379342SAlexander V. Chernikov } 7275f379342SAlexander V. Chernikov } 7285f379342SAlexander V. Chernikov 7290cba2b28SAlexander V. Chernikov static void 7300cba2b28SAlexander V. Chernikov table_print_valheader(char *buf, size_t bufsize, uint32_t vmask) 7310cba2b28SAlexander V. Chernikov { 7320cba2b28SAlexander V. Chernikov 7330cba2b28SAlexander V. Chernikov if (vmask == IPFW_VTYPE_LEGACY) { 7340cba2b28SAlexander V. Chernikov snprintf(buf, bufsize, "legacy"); 7350cba2b28SAlexander V. Chernikov return; 7360cba2b28SAlexander V. Chernikov } 7370cba2b28SAlexander V. Chernikov 7388a6dbb64SAlexander V. Chernikov memset(buf, 0, bufsize); 7390cba2b28SAlexander V. Chernikov print_flags_buffer(buf, bufsize, tablevaltypes, vmask); 7400cba2b28SAlexander V. Chernikov } 7410cba2b28SAlexander V. Chernikov 742f1220db8SAlexander V. Chernikov /* 743f1220db8SAlexander V. Chernikov * Prints table info struct @i in human-readable form. 744f1220db8SAlexander V. Chernikov */ 745f1220db8SAlexander V. Chernikov static int 746f1220db8SAlexander V. Chernikov table_show_info(ipfw_xtable_info *i, void *arg) 747f1220db8SAlexander V. Chernikov { 7480cba2b28SAlexander V. Chernikov const char *vtype; 7495f379342SAlexander V. Chernikov ipfw_ta_tinfo *tainfo; 7505f379342SAlexander V. Chernikov int afdata, afitem; 7515f379342SAlexander V. Chernikov struct ta_cldata d; 752adf3b2b9SAlexander V. Chernikov char ttype[64], tvtype[64]; 753f1220db8SAlexander V. Chernikov 754914bffb6SAlexander V. Chernikov table_print_type(ttype, sizeof(ttype), i->type, i->tflags); 7550cba2b28SAlexander V. Chernikov table_print_valheader(tvtype, sizeof(tvtype), i->vmask); 756ac35ff17SAlexander V. Chernikov 757914bffb6SAlexander V. Chernikov printf("--- table(%s), set(%u) ---\n", i->tablename, i->set); 7584f43138aSAlexander V. Chernikov if ((i->flags & IPFW_TGFLAGS_LOCKED) != 0) 7594f43138aSAlexander V. Chernikov printf(" kindex: %d, type: %s, locked\n", i->kidx, ttype); 7604f43138aSAlexander V. Chernikov else 761914bffb6SAlexander V. Chernikov printf(" kindex: %d, type: %s\n", i->kidx, ttype); 7620cba2b28SAlexander V. Chernikov printf(" references: %u, valtype: %s\n", i->refcnt, tvtype); 7639d099b4fSAlexander V. Chernikov printf(" algorithm: %s\n", i->algoname); 764f1220db8SAlexander V. Chernikov printf(" items: %u, size: %u\n", i->count, i->size); 7654c0c07a5SAlexander V. Chernikov if (i->limit > 0) 7664c0c07a5SAlexander V. Chernikov printf(" limit: %u\n", i->limit); 767f1220db8SAlexander V. Chernikov 768358b9d09SAlexander V. Chernikov /* Print algo-specific info if requested & set */ 769358b9d09SAlexander V. Chernikov if (arg == NULL) 770358b9d09SAlexander V. Chernikov return (0); 771358b9d09SAlexander V. Chernikov 7725f379342SAlexander V. Chernikov if ((i->ta_info.flags & IPFW_TATFLAGS_DATA) == 0) 7735f379342SAlexander V. Chernikov return (0); 7745f379342SAlexander V. Chernikov tainfo = &i->ta_info; 7755f379342SAlexander V. Chernikov 7765f379342SAlexander V. Chernikov afdata = 0; 7775f379342SAlexander V. Chernikov afitem = 0; 7785f379342SAlexander V. Chernikov if (tainfo->flags & IPFW_TATFLAGS_AFDATA) 7795f379342SAlexander V. Chernikov afdata = 1; 7805f379342SAlexander V. Chernikov if (tainfo->flags & IPFW_TATFLAGS_AFITEM) 7815f379342SAlexander V. Chernikov afitem = 1; 7825f379342SAlexander V. Chernikov 7835f379342SAlexander V. Chernikov memset(&d, 0, sizeof(d)); 7845f379342SAlexander V. Chernikov d.taclass = tainfo->taclass4; 7855f379342SAlexander V. Chernikov d.size = tainfo->size4; 7865f379342SAlexander V. Chernikov d.count = tainfo->count4; 7875f379342SAlexander V. Chernikov d.itemsize = tainfo->itemsize4; 7885f379342SAlexander V. Chernikov if (afdata == 0 && afitem != 0) 7895f379342SAlexander V. Chernikov d.itemsize6 = tainfo->itemsize6; 7905f379342SAlexander V. Chernikov else 7915f379342SAlexander V. Chernikov d.itemsize6 = d.itemsize; 7925f379342SAlexander V. Chernikov if ((vtype = match_value(tablealgoclass, d.taclass)) == NULL) 7935f379342SAlexander V. Chernikov vtype = "unknown"; 7945f379342SAlexander V. Chernikov 7955f379342SAlexander V. Chernikov if (afdata == 0) { 7965f379342SAlexander V. Chernikov table_show_tainfo(i, &d, "", vtype); 7975f379342SAlexander V. Chernikov } else { 7985f379342SAlexander V. Chernikov table_show_tainfo(i, &d, "IPv4 ", vtype); 7995f379342SAlexander V. Chernikov memset(&d, 0, sizeof(d)); 8005f379342SAlexander V. Chernikov d.taclass = tainfo->taclass6; 8015f379342SAlexander V. Chernikov if ((vtype = match_value(tablealgoclass, d.taclass)) == NULL) 8025f379342SAlexander V. Chernikov vtype = "unknown"; 8035f379342SAlexander V. Chernikov d.size = tainfo->size6; 8045f379342SAlexander V. Chernikov d.count = tainfo->count6; 8055f379342SAlexander V. Chernikov d.itemsize = tainfo->itemsize6; 8065f379342SAlexander V. Chernikov d.itemsize6 = d.itemsize; 8075f379342SAlexander V. Chernikov table_show_tainfo(i, &d, "IPv6 ", vtype); 8085f379342SAlexander V. Chernikov } 8095f379342SAlexander V. Chernikov 810f1220db8SAlexander V. Chernikov return (0); 811f1220db8SAlexander V. Chernikov } 812f1220db8SAlexander V. Chernikov 813f1220db8SAlexander V. Chernikov 814f1220db8SAlexander V. Chernikov /* 815f1220db8SAlexander V. Chernikov * Function wrappers which can be used either 816f1220db8SAlexander V. Chernikov * as is or as foreach function parameter. 817f1220db8SAlexander V. Chernikov */ 818f1220db8SAlexander V. Chernikov 819f1220db8SAlexander V. Chernikov static int 820f1220db8SAlexander V. Chernikov table_show_one(ipfw_xtable_info *i, void *arg) 821f1220db8SAlexander V. Chernikov { 822f1220db8SAlexander V. Chernikov ipfw_obj_header *oh; 82381d3153dSAlexander V. Chernikov int error; 824f1220db8SAlexander V. Chernikov 825720ee730SAlexander V. Chernikov if ((error = table_do_get_list(i, &oh)) != 0) { 82681d3153dSAlexander V. Chernikov err(EX_OSERR, "Error requesting table %s list", i->tablename); 82781d3153dSAlexander V. Chernikov return (error); 82881d3153dSAlexander V. Chernikov } 82981d3153dSAlexander V. Chernikov 830f1220db8SAlexander V. Chernikov table_show_list(oh, 1); 831f1220db8SAlexander V. Chernikov 832f1220db8SAlexander V. Chernikov free(oh); 833f1220db8SAlexander V. Chernikov return (0); 834f1220db8SAlexander V. Chernikov } 835f1220db8SAlexander V. Chernikov 836f1220db8SAlexander V. Chernikov static int 837f1220db8SAlexander V. Chernikov table_flush_one(ipfw_xtable_info *i, void *arg) 838f1220db8SAlexander V. Chernikov { 839ac35ff17SAlexander V. Chernikov ipfw_obj_header *oh; 840f1220db8SAlexander V. Chernikov 841ac35ff17SAlexander V. Chernikov oh = (ipfw_obj_header *)arg; 842ac35ff17SAlexander V. Chernikov 843ac35ff17SAlexander V. Chernikov table_fill_ntlv(&oh->ntlv, i->tablename, i->set, 1); 844ac35ff17SAlexander V. Chernikov 845ac35ff17SAlexander V. Chernikov return (table_flush(oh)); 846f1220db8SAlexander V. Chernikov } 847f1220db8SAlexander V. Chernikov 848ac35ff17SAlexander V. Chernikov static int 849ac35ff17SAlexander V. Chernikov table_do_modify_record(int cmd, ipfw_obj_header *oh, 8503a845e10SAlexander V. Chernikov ipfw_obj_tentry *tent, int count, int atomic) 851ac35ff17SAlexander V. Chernikov { 852db785d31SAlexander V. Chernikov ipfw_obj_ctlv *ctlv; 8533a845e10SAlexander V. Chernikov ipfw_obj_tentry *tent_base; 8543a845e10SAlexander V. Chernikov caddr_t pbuf; 855db785d31SAlexander V. Chernikov char xbuf[sizeof(*oh) + sizeof(ipfw_obj_ctlv) + sizeof(*tent)]; 8563a845e10SAlexander V. Chernikov int error, i; 8573a845e10SAlexander V. Chernikov size_t sz; 858ac35ff17SAlexander V. Chernikov 8593a845e10SAlexander V. Chernikov sz = sizeof(*ctlv) + sizeof(*tent) * count; 8603a845e10SAlexander V. Chernikov if (count == 1) { 861ac35ff17SAlexander V. Chernikov memset(xbuf, 0, sizeof(xbuf)); 8623a845e10SAlexander V. Chernikov pbuf = xbuf; 8633a845e10SAlexander V. Chernikov } else { 8643a845e10SAlexander V. Chernikov if ((pbuf = calloc(1, sizeof(*oh) + sz)) == NULL) 8653a845e10SAlexander V. Chernikov return (ENOMEM); 8663a845e10SAlexander V. Chernikov } 8673a845e10SAlexander V. Chernikov 8683a845e10SAlexander V. Chernikov memcpy(pbuf, oh, sizeof(*oh)); 8693a845e10SAlexander V. Chernikov oh = (ipfw_obj_header *)pbuf; 870ac35ff17SAlexander V. Chernikov oh->opheader.version = 1; 871ac35ff17SAlexander V. Chernikov 872db785d31SAlexander V. Chernikov ctlv = (ipfw_obj_ctlv *)(oh + 1); 8733a845e10SAlexander V. Chernikov ctlv->count = count; 8743a845e10SAlexander V. Chernikov ctlv->head.length = sz; 8753a845e10SAlexander V. Chernikov if (atomic != 0) 8763a845e10SAlexander V. Chernikov ctlv->flags |= IPFW_CTF_ATOMIC; 877db785d31SAlexander V. Chernikov 8783a845e10SAlexander V. Chernikov tent_base = tent; 8793a845e10SAlexander V. Chernikov memcpy(ctlv + 1, tent, sizeof(*tent) * count); 880db785d31SAlexander V. Chernikov tent = (ipfw_obj_tentry *)(ctlv + 1); 8813a845e10SAlexander V. Chernikov for (i = 0; i < count; i++, tent++) { 882ac35ff17SAlexander V. Chernikov tent->head.length = sizeof(ipfw_obj_tentry); 8833a845e10SAlexander V. Chernikov tent->idx = oh->idx; 8843a845e10SAlexander V. Chernikov } 885ac35ff17SAlexander V. Chernikov 8863a845e10SAlexander V. Chernikov sz += sizeof(*oh); 8873a845e10SAlexander V. Chernikov error = do_get3(cmd, &oh->opheader, &sz); 888092f8ba3SAndrey V. Elsukov if (error != 0) 889092f8ba3SAndrey V. Elsukov error = errno; 8903a845e10SAlexander V. Chernikov tent = (ipfw_obj_tentry *)(ctlv + 1); 8913a845e10SAlexander V. Chernikov /* Copy result back to provided buffer */ 8923a845e10SAlexander V. Chernikov memcpy(tent_base, ctlv + 1, sizeof(*tent) * count); 8933a845e10SAlexander V. Chernikov 8943a845e10SAlexander V. Chernikov if (pbuf != xbuf) 8953a845e10SAlexander V. Chernikov free(pbuf); 896ac35ff17SAlexander V. Chernikov 897ac35ff17SAlexander V. Chernikov return (error); 898ac35ff17SAlexander V. Chernikov } 899ac35ff17SAlexander V. Chernikov 900ac35ff17SAlexander V. Chernikov static void 9013a845e10SAlexander V. Chernikov table_modify_record(ipfw_obj_header *oh, int ac, char *av[], int add, 9023a845e10SAlexander V. Chernikov int quiet, int update, int atomic) 903ac35ff17SAlexander V. Chernikov { 9043a845e10SAlexander V. Chernikov ipfw_obj_tentry *ptent, tent, *tent_buf; 90581d3153dSAlexander V. Chernikov ipfw_xtable_info xi; 9060cba2b28SAlexander V. Chernikov uint8_t type; 9070cba2b28SAlexander V. Chernikov uint32_t vmask; 9083a845e10SAlexander V. Chernikov int cmd, count, error, i, ignored; 9093a845e10SAlexander V. Chernikov char *texterr, *etxt, *px; 910ac35ff17SAlexander V. Chernikov 911ac35ff17SAlexander V. Chernikov if (ac == 0) 912ac35ff17SAlexander V. Chernikov errx(EX_USAGE, "address required"); 913ac35ff17SAlexander V. Chernikov 914ac35ff17SAlexander V. Chernikov if (add != 0) { 915ac35ff17SAlexander V. Chernikov cmd = IP_FW_TABLE_XADD; 9164c0c07a5SAlexander V. Chernikov texterr = "Adding record failed"; 917ac35ff17SAlexander V. Chernikov } else { 918ac35ff17SAlexander V. Chernikov cmd = IP_FW_TABLE_XDEL; 9194c0c07a5SAlexander V. Chernikov texterr = "Deleting record failed"; 920ac35ff17SAlexander V. Chernikov } 921ac35ff17SAlexander V. Chernikov 9223a845e10SAlexander V. Chernikov /* 9233a845e10SAlexander V. Chernikov * Calculate number of entries: 9243a845e10SAlexander V. Chernikov * Assume [key val] x N for add 9253a845e10SAlexander V. Chernikov * and 9263a845e10SAlexander V. Chernikov * key x N for delete 9273a845e10SAlexander V. Chernikov */ 9283a845e10SAlexander V. Chernikov count = (add != 0) ? ac / 2 + 1 : ac; 9293a845e10SAlexander V. Chernikov 9303a845e10SAlexander V. Chernikov if (count <= 1) { 9313a845e10SAlexander V. Chernikov /* Adding single entry with/without value */ 9323a845e10SAlexander V. Chernikov memset(&tent, 0, sizeof(tent)); 9333a845e10SAlexander V. Chernikov tent_buf = &tent; 9343a845e10SAlexander V. Chernikov } else { 9353a845e10SAlexander V. Chernikov 9363a845e10SAlexander V. Chernikov if ((tent_buf = calloc(count, sizeof(tent))) == NULL) 9373a845e10SAlexander V. Chernikov errx(EX_OSERR, 9383a845e10SAlexander V. Chernikov "Unable to allocate memory for all entries"); 9393a845e10SAlexander V. Chernikov } 9403a845e10SAlexander V. Chernikov ptent = tent_buf; 9413a845e10SAlexander V. Chernikov 9423a845e10SAlexander V. Chernikov memset(&xi, 0, sizeof(xi)); 9433a845e10SAlexander V. Chernikov count = 0; 9443a845e10SAlexander V. Chernikov while (ac > 0) { 9450cba2b28SAlexander V. Chernikov tentry_fill_key(oh, ptent, *av, add, &type, &vmask, &xi); 9463a845e10SAlexander V. Chernikov 9473a845e10SAlexander V. Chernikov /* 948463a577bSEitan Adler * Compatibility layer: auto-create table if not exists. 9493a845e10SAlexander V. Chernikov */ 9503a845e10SAlexander V. Chernikov if (xi.tablename[0] == '\0') { 9513a845e10SAlexander V. Chernikov xi.type = type; 9520cba2b28SAlexander V. Chernikov xi.vmask = vmask; 9533a845e10SAlexander V. Chernikov strlcpy(xi.tablename, oh->ntlv.name, 9543a845e10SAlexander V. Chernikov sizeof(xi.tablename)); 955e62cd31fSAndrey V. Elsukov if (quiet == 0) 956e62cd31fSAndrey V. Elsukov warnx("DEPRECATED: inserting data into " 957e62cd31fSAndrey V. Elsukov "non-existent table %s. (auto-created)", 9583a845e10SAlexander V. Chernikov xi.tablename); 9593a845e10SAlexander V. Chernikov table_do_create(oh, &xi); 9603a845e10SAlexander V. Chernikov } 9613a845e10SAlexander V. Chernikov 9623a845e10SAlexander V. Chernikov oh->ntlv.type = type; 9633a845e10SAlexander V. Chernikov ac--; av++; 9643a845e10SAlexander V. Chernikov 9653a845e10SAlexander V. Chernikov if (add != 0 && ac > 0) { 9660cba2b28SAlexander V. Chernikov tentry_fill_value(oh, ptent, *av, type, vmask); 9673a845e10SAlexander V. Chernikov ac--; av++; 9683a845e10SAlexander V. Chernikov } 9693a845e10SAlexander V. Chernikov 9703a845e10SAlexander V. Chernikov if (update != 0) 9713a845e10SAlexander V. Chernikov ptent->head.flags |= IPFW_TF_UPDATE; 9723a845e10SAlexander V. Chernikov 9733a845e10SAlexander V. Chernikov count++; 9743a845e10SAlexander V. Chernikov ptent++; 9753a845e10SAlexander V. Chernikov } 9763a845e10SAlexander V. Chernikov 9773a845e10SAlexander V. Chernikov error = table_do_modify_record(cmd, oh, tent_buf, count, atomic); 9783a845e10SAlexander V. Chernikov 9793a845e10SAlexander V. Chernikov /* 9803a845e10SAlexander V. Chernikov * Compatibility stuff: do not yell on duplicate keys or 9813a845e10SAlexander V. Chernikov * failed deletions. 9823a845e10SAlexander V. Chernikov */ 9833a845e10SAlexander V. Chernikov if (error == 0 || (error == EEXIST && add != 0) || 9843a845e10SAlexander V. Chernikov (error == ENOENT && add == 0)) { 9853a845e10SAlexander V. Chernikov if (quiet != 0) { 9863a845e10SAlexander V. Chernikov if (tent_buf != &tent) 9873a845e10SAlexander V. Chernikov free(tent_buf); 9883a845e10SAlexander V. Chernikov return; 9893a845e10SAlexander V. Chernikov } 9903a845e10SAlexander V. Chernikov } 9913a845e10SAlexander V. Chernikov 9923a845e10SAlexander V. Chernikov /* Report results back */ 9933a845e10SAlexander V. Chernikov ptent = tent_buf; 9943a845e10SAlexander V. Chernikov for (i = 0; i < count; ptent++, i++) { 9953a845e10SAlexander V. Chernikov ignored = 0; 9963a845e10SAlexander V. Chernikov switch (ptent->result) { 9973a845e10SAlexander V. Chernikov case IPFW_TR_ADDED: 9983a845e10SAlexander V. Chernikov px = "added"; 9993a845e10SAlexander V. Chernikov break; 10003a845e10SAlexander V. Chernikov case IPFW_TR_DELETED: 10013a845e10SAlexander V. Chernikov px = "deleted"; 10023a845e10SAlexander V. Chernikov break; 10033a845e10SAlexander V. Chernikov case IPFW_TR_UPDATED: 10043a845e10SAlexander V. Chernikov px = "updated"; 10053a845e10SAlexander V. Chernikov break; 10063a845e10SAlexander V. Chernikov case IPFW_TR_LIMIT: 10073a845e10SAlexander V. Chernikov px = "limit"; 10083a845e10SAlexander V. Chernikov ignored = 1; 10093a845e10SAlexander V. Chernikov break; 10103a845e10SAlexander V. Chernikov case IPFW_TR_ERROR: 10113a845e10SAlexander V. Chernikov px = "error"; 10123a845e10SAlexander V. Chernikov ignored = 1; 10133a845e10SAlexander V. Chernikov break; 10143a845e10SAlexander V. Chernikov case IPFW_TR_NOTFOUND: 10153a845e10SAlexander V. Chernikov px = "notfound"; 10163a845e10SAlexander V. Chernikov ignored = 1; 10173a845e10SAlexander V. Chernikov break; 10183a845e10SAlexander V. Chernikov case IPFW_TR_EXISTS: 10193a845e10SAlexander V. Chernikov px = "exists"; 10203a845e10SAlexander V. Chernikov ignored = 1; 10213a845e10SAlexander V. Chernikov break; 10223a845e10SAlexander V. Chernikov case IPFW_TR_IGNORED: 10233a845e10SAlexander V. Chernikov px = "ignored"; 10243a845e10SAlexander V. Chernikov ignored = 1; 10253a845e10SAlexander V. Chernikov break; 10263a845e10SAlexander V. Chernikov default: 10273a845e10SAlexander V. Chernikov px = "unknown"; 10283a845e10SAlexander V. Chernikov ignored = 1; 10293a845e10SAlexander V. Chernikov } 10303a845e10SAlexander V. Chernikov 10313a845e10SAlexander V. Chernikov if (error != 0 && atomic != 0 && ignored == 0) 10323a845e10SAlexander V. Chernikov printf("%s(reverted): ", px); 10333a845e10SAlexander V. Chernikov else 10343a845e10SAlexander V. Chernikov printf("%s: ", px); 10353a845e10SAlexander V. Chernikov 10363a845e10SAlexander V. Chernikov table_show_entry(&xi, ptent); 10373a845e10SAlexander V. Chernikov } 10383a845e10SAlexander V. Chernikov 10393a845e10SAlexander V. Chernikov if (tent_buf != &tent) 10403a845e10SAlexander V. Chernikov free(tent_buf); 10413a845e10SAlexander V. Chernikov 10423a845e10SAlexander V. Chernikov if (error == 0) 10434c0c07a5SAlexander V. Chernikov return; 104468bde59eSAlexander V. Chernikov /* Get real OS error */ 104568bde59eSAlexander V. Chernikov error = errno; 10464c0c07a5SAlexander V. Chernikov 10474c0c07a5SAlexander V. Chernikov /* Try to provide more human-readable error */ 10484c0c07a5SAlexander V. Chernikov switch (error) { 10494c0c07a5SAlexander V. Chernikov case EEXIST: 10504c0c07a5SAlexander V. Chernikov etxt = "record already exists"; 10514c0c07a5SAlexander V. Chernikov break; 10524c0c07a5SAlexander V. Chernikov case EFBIG: 10534c0c07a5SAlexander V. Chernikov etxt = "limit hit"; 10544c0c07a5SAlexander V. Chernikov break; 10554c0c07a5SAlexander V. Chernikov case ESRCH: 10564c0c07a5SAlexander V. Chernikov etxt = "table not found"; 10574c0c07a5SAlexander V. Chernikov break; 10584c0c07a5SAlexander V. Chernikov case ENOENT: 10594c0c07a5SAlexander V. Chernikov etxt = "record not found"; 10604c0c07a5SAlexander V. Chernikov break; 10614f43138aSAlexander V. Chernikov case EACCES: 10624f43138aSAlexander V. Chernikov etxt = "table is locked"; 10634f43138aSAlexander V. Chernikov break; 10644c0c07a5SAlexander V. Chernikov default: 10654c0c07a5SAlexander V. Chernikov etxt = strerror(error); 10664c0c07a5SAlexander V. Chernikov } 10674c0c07a5SAlexander V. Chernikov 10684c0c07a5SAlexander V. Chernikov errx(EX_OSERR, "%s: %s", texterr, etxt); 1069ac35ff17SAlexander V. Chernikov } 1070ac35ff17SAlexander V. Chernikov 107181d3153dSAlexander V. Chernikov static int 107281d3153dSAlexander V. Chernikov table_do_lookup(ipfw_obj_header *oh, char *key, ipfw_xtable_info *xi, 107381d3153dSAlexander V. Chernikov ipfw_obj_tentry *xtent) 107481d3153dSAlexander V. Chernikov { 107581d3153dSAlexander V. Chernikov char xbuf[sizeof(ipfw_obj_header) + sizeof(ipfw_obj_tentry)]; 107681d3153dSAlexander V. Chernikov ipfw_obj_tentry *tent; 10770cba2b28SAlexander V. Chernikov uint8_t type; 10780cba2b28SAlexander V. Chernikov uint32_t vmask; 107981d3153dSAlexander V. Chernikov size_t sz; 108081d3153dSAlexander V. Chernikov 108181d3153dSAlexander V. Chernikov memcpy(xbuf, oh, sizeof(*oh)); 108281d3153dSAlexander V. Chernikov oh = (ipfw_obj_header *)xbuf; 108381d3153dSAlexander V. Chernikov tent = (ipfw_obj_tentry *)(oh + 1); 108481d3153dSAlexander V. Chernikov 108581d3153dSAlexander V. Chernikov memset(tent, 0, sizeof(*tent)); 108681d3153dSAlexander V. Chernikov tent->head.length = sizeof(*tent); 108781d3153dSAlexander V. Chernikov tent->idx = 1; 108881d3153dSAlexander V. Chernikov 10890cba2b28SAlexander V. Chernikov tentry_fill_key(oh, tent, key, 0, &type, &vmask, xi); 109081d3153dSAlexander V. Chernikov oh->ntlv.type = type; 109181d3153dSAlexander V. Chernikov 109281d3153dSAlexander V. Chernikov sz = sizeof(xbuf); 1093b6462881SAlexander V. Chernikov if (do_get3(IP_FW_TABLE_XFIND, &oh->opheader, &sz) != 0) 1094b6462881SAlexander V. Chernikov return (errno); 109581d3153dSAlexander V. Chernikov 109681d3153dSAlexander V. Chernikov if (sz < sizeof(xbuf)) 109781d3153dSAlexander V. Chernikov return (EINVAL); 109881d3153dSAlexander V. Chernikov 109981d3153dSAlexander V. Chernikov *xtent = *tent; 110081d3153dSAlexander V. Chernikov 110181d3153dSAlexander V. Chernikov return (0); 110281d3153dSAlexander V. Chernikov } 110381d3153dSAlexander V. Chernikov 110481d3153dSAlexander V. Chernikov static void 110581d3153dSAlexander V. Chernikov table_lookup(ipfw_obj_header *oh, int ac, char *av[]) 110681d3153dSAlexander V. Chernikov { 110781d3153dSAlexander V. Chernikov ipfw_obj_tentry xtent; 110881d3153dSAlexander V. Chernikov ipfw_xtable_info xi; 1109914bffb6SAlexander V. Chernikov char key[64]; 111081d3153dSAlexander V. Chernikov int error; 111181d3153dSAlexander V. Chernikov 111281d3153dSAlexander V. Chernikov if (ac == 0) 111381d3153dSAlexander V. Chernikov errx(EX_USAGE, "address required"); 111481d3153dSAlexander V. Chernikov 1115914bffb6SAlexander V. Chernikov strlcpy(key, *av, sizeof(key)); 1116914bffb6SAlexander V. Chernikov 11173a845e10SAlexander V. Chernikov memset(&xi, 0, sizeof(xi)); 1118914bffb6SAlexander V. Chernikov error = table_do_lookup(oh, key, &xi, &xtent); 111981d3153dSAlexander V. Chernikov 112081d3153dSAlexander V. Chernikov switch (error) { 112181d3153dSAlexander V. Chernikov case 0: 112281d3153dSAlexander V. Chernikov break; 112381d3153dSAlexander V. Chernikov case ESRCH: 112481d3153dSAlexander V. Chernikov errx(EX_UNAVAILABLE, "Table %s not found", oh->ntlv.name); 112581d3153dSAlexander V. Chernikov case ENOENT: 112681d3153dSAlexander V. Chernikov errx(EX_UNAVAILABLE, "Entry %s not found", *av); 112781d3153dSAlexander V. Chernikov case ENOTSUP: 112881d3153dSAlexander V. Chernikov errx(EX_UNAVAILABLE, "Table %s algo does not support " 112981d3153dSAlexander V. Chernikov "\"lookup\" method", oh->ntlv.name); 113081d3153dSAlexander V. Chernikov default: 113181d3153dSAlexander V. Chernikov err(EX_OSERR, "getsockopt(IP_FW_TABLE_XFIND)"); 113281d3153dSAlexander V. Chernikov } 113381d3153dSAlexander V. Chernikov 113481d3153dSAlexander V. Chernikov table_show_entry(&xi, &xtent); 113581d3153dSAlexander V. Chernikov } 1136ac35ff17SAlexander V. Chernikov 1137ac35ff17SAlexander V. Chernikov static void 1138914bffb6SAlexander V. Chernikov tentry_fill_key_type(char *arg, ipfw_obj_tentry *tentry, uint8_t type, 1139914bffb6SAlexander V. Chernikov uint8_t tflags) 1140ac35ff17SAlexander V. Chernikov { 1141914bffb6SAlexander V. Chernikov char *p, *pp; 1142ac35ff17SAlexander V. Chernikov int mask, af; 1143914bffb6SAlexander V. Chernikov struct in6_addr *paddr, tmp; 1144914bffb6SAlexander V. Chernikov struct tflow_entry *tfe; 1145ac35ff17SAlexander V. Chernikov uint32_t key, *pkey; 1146914bffb6SAlexander V. Chernikov uint16_t port; 1147914bffb6SAlexander V. Chernikov struct protoent *pent; 1148914bffb6SAlexander V. Chernikov struct servent *sent; 1149ac35ff17SAlexander V. Chernikov int masklen; 1150ac35ff17SAlexander V. Chernikov 1151ac35ff17SAlexander V. Chernikov masklen = 0; 1152ac35ff17SAlexander V. Chernikov af = 0; 1153ac35ff17SAlexander V. Chernikov paddr = (struct in6_addr *)&tentry->k; 1154ac35ff17SAlexander V. Chernikov 1155ac35ff17SAlexander V. Chernikov switch (type) { 1156c21034b7SAlexander V. Chernikov case IPFW_TABLE_ADDR: 1157ac35ff17SAlexander V. Chernikov /* Remove / if exists */ 1158ac35ff17SAlexander V. Chernikov if ((p = strchr(arg, '/')) != NULL) { 1159ac35ff17SAlexander V. Chernikov *p = '\0'; 1160ac35ff17SAlexander V. Chernikov mask = atoi(p + 1); 1161ac35ff17SAlexander V. Chernikov } 1162ac35ff17SAlexander V. Chernikov 1163ac35ff17SAlexander V. Chernikov if (inet_pton(AF_INET, arg, paddr) == 1) { 1164ac35ff17SAlexander V. Chernikov if (p != NULL && mask > 32) 1165ac35ff17SAlexander V. Chernikov errx(EX_DATAERR, "bad IPv4 mask width: %s", 1166ac35ff17SAlexander V. Chernikov p + 1); 1167ac35ff17SAlexander V. Chernikov 1168ac35ff17SAlexander V. Chernikov masklen = p ? mask : 32; 1169ac35ff17SAlexander V. Chernikov af = AF_INET; 1170ac35ff17SAlexander V. Chernikov } else if (inet_pton(AF_INET6, arg, paddr) == 1) { 1171ac35ff17SAlexander V. Chernikov if (IN6_IS_ADDR_V4COMPAT(paddr)) 1172ac35ff17SAlexander V. Chernikov errx(EX_DATAERR, 1173ac35ff17SAlexander V. Chernikov "Use IPv4 instead of v4-compatible"); 1174ac35ff17SAlexander V. Chernikov if (p != NULL && mask > 128) 1175ac35ff17SAlexander V. Chernikov errx(EX_DATAERR, "bad IPv6 mask width: %s", 1176ac35ff17SAlexander V. Chernikov p + 1); 1177ac35ff17SAlexander V. Chernikov 1178ac35ff17SAlexander V. Chernikov masklen = p ? mask : 128; 1179ac35ff17SAlexander V. Chernikov af = AF_INET6; 1180ac35ff17SAlexander V. Chernikov } else { 1181ac35ff17SAlexander V. Chernikov /* Assume FQDN */ 1182ac35ff17SAlexander V. Chernikov if (lookup_host(arg, (struct in_addr *)paddr) != 0) 1183ac35ff17SAlexander V. Chernikov errx(EX_NOHOST, "hostname ``%s'' unknown", arg); 1184ac35ff17SAlexander V. Chernikov 1185ac35ff17SAlexander V. Chernikov masklen = 32; 1186c21034b7SAlexander V. Chernikov type = IPFW_TABLE_ADDR; 1187ac35ff17SAlexander V. Chernikov af = AF_INET; 1188ac35ff17SAlexander V. Chernikov } 1189ac35ff17SAlexander V. Chernikov break; 1190ac35ff17SAlexander V. Chernikov case IPFW_TABLE_INTERFACE: 1191ac35ff17SAlexander V. Chernikov /* Assume interface name. Copy significant data only */ 1192ac35ff17SAlexander V. Chernikov mask = MIN(strlen(arg), IF_NAMESIZE - 1); 1193ac35ff17SAlexander V. Chernikov memcpy(paddr, arg, mask); 1194ac35ff17SAlexander V. Chernikov /* Set mask to exact match */ 1195ac35ff17SAlexander V. Chernikov masklen = 8 * IF_NAMESIZE; 1196ac35ff17SAlexander V. Chernikov break; 1197b23d5de9SAlexander V. Chernikov case IPFW_TABLE_NUMBER: 1198ac35ff17SAlexander V. Chernikov /* Port or any other key */ 1199ac35ff17SAlexander V. Chernikov key = strtol(arg, &p, 10); 1200ac35ff17SAlexander V. Chernikov if (*p != '\0') 1201ac35ff17SAlexander V. Chernikov errx(EX_DATAERR, "Invalid number: %s", arg); 1202ac35ff17SAlexander V. Chernikov 1203ac35ff17SAlexander V. Chernikov pkey = (uint32_t *)paddr; 1204ac35ff17SAlexander V. Chernikov *pkey = key; 1205ac35ff17SAlexander V. Chernikov masklen = 32; 1206ac35ff17SAlexander V. Chernikov break; 1207914bffb6SAlexander V. Chernikov case IPFW_TABLE_FLOW: 1208914bffb6SAlexander V. Chernikov /* Assume [src-ip][,proto][,src-port][,dst-ip][,dst-port] */ 1209914bffb6SAlexander V. Chernikov tfe = &tentry->k.flow; 1210914bffb6SAlexander V. Chernikov af = 0; 1211914bffb6SAlexander V. Chernikov 1212914bffb6SAlexander V. Chernikov /* Handle <ipv4|ipv6> */ 1213914bffb6SAlexander V. Chernikov if ((tflags & IPFW_TFFLAG_SRCIP) != 0) { 1214914bffb6SAlexander V. Chernikov if ((p = strchr(arg, ',')) != NULL) 1215914bffb6SAlexander V. Chernikov *p++ = '\0'; 1216914bffb6SAlexander V. Chernikov /* Determine family using temporary storage */ 1217914bffb6SAlexander V. Chernikov if (inet_pton(AF_INET, arg, &tmp) == 1) { 1218914bffb6SAlexander V. Chernikov if (af != 0 && af != AF_INET) 1219914bffb6SAlexander V. Chernikov errx(EX_DATAERR, 1220914bffb6SAlexander V. Chernikov "Inconsistent address family\n"); 1221914bffb6SAlexander V. Chernikov af = AF_INET; 1222914bffb6SAlexander V. Chernikov memcpy(&tfe->a.a4.sip, &tmp, 4); 1223914bffb6SAlexander V. Chernikov } else if (inet_pton(AF_INET6, arg, &tmp) == 1) { 1224914bffb6SAlexander V. Chernikov if (af != 0 && af != AF_INET6) 1225914bffb6SAlexander V. Chernikov errx(EX_DATAERR, 1226914bffb6SAlexander V. Chernikov "Inconsistent address family\n"); 1227914bffb6SAlexander V. Chernikov af = AF_INET6; 1228914bffb6SAlexander V. Chernikov memcpy(&tfe->a.a6.sip6, &tmp, 16); 1229914bffb6SAlexander V. Chernikov } 1230914bffb6SAlexander V. Chernikov 1231914bffb6SAlexander V. Chernikov arg = p; 1232914bffb6SAlexander V. Chernikov } 1233914bffb6SAlexander V. Chernikov 1234914bffb6SAlexander V. Chernikov /* Handle <proto-num|proto-name> */ 1235914bffb6SAlexander V. Chernikov if ((tflags & IPFW_TFFLAG_PROTO) != 0) { 123635df97d0SAlexander V. Chernikov if (arg == NULL) 123735df97d0SAlexander V. Chernikov errx(EX_DATAERR, "invalid key: proto missing"); 1238914bffb6SAlexander V. Chernikov if ((p = strchr(arg, ',')) != NULL) 1239914bffb6SAlexander V. Chernikov *p++ = '\0'; 1240914bffb6SAlexander V. Chernikov 1241914bffb6SAlexander V. Chernikov key = strtol(arg, &pp, 10); 1242914bffb6SAlexander V. Chernikov if (*pp != '\0') { 1243914bffb6SAlexander V. Chernikov if ((pent = getprotobyname(arg)) == NULL) 1244914bffb6SAlexander V. Chernikov errx(EX_DATAERR, "Unknown proto: %s", 1245914bffb6SAlexander V. Chernikov arg); 1246914bffb6SAlexander V. Chernikov else 1247914bffb6SAlexander V. Chernikov key = pent->p_proto; 1248914bffb6SAlexander V. Chernikov } 1249914bffb6SAlexander V. Chernikov 1250914bffb6SAlexander V. Chernikov if (key > 255) 1251914bffb6SAlexander V. Chernikov errx(EX_DATAERR, "Bad protocol number: %u",key); 1252914bffb6SAlexander V. Chernikov 1253914bffb6SAlexander V. Chernikov tfe->proto = key; 1254914bffb6SAlexander V. Chernikov 1255914bffb6SAlexander V. Chernikov arg = p; 1256914bffb6SAlexander V. Chernikov } 1257914bffb6SAlexander V. Chernikov 1258914bffb6SAlexander V. Chernikov /* Handle <port-num|service-name> */ 1259914bffb6SAlexander V. Chernikov if ((tflags & IPFW_TFFLAG_SRCPORT) != 0) { 126035df97d0SAlexander V. Chernikov if (arg == NULL) 126135df97d0SAlexander V. Chernikov errx(EX_DATAERR, "invalid key: src port missing"); 1262914bffb6SAlexander V. Chernikov if ((p = strchr(arg, ',')) != NULL) 1263914bffb6SAlexander V. Chernikov *p++ = '\0'; 1264914bffb6SAlexander V. Chernikov 126552772a85SAndrey V. Elsukov port = htons(strtol(arg, &pp, 10)); 126652772a85SAndrey V. Elsukov if (*pp != '\0') { 1267914bffb6SAlexander V. Chernikov if ((sent = getservbyname(arg, NULL)) == NULL) 1268914bffb6SAlexander V. Chernikov errx(EX_DATAERR, "Unknown service: %s", 1269914bffb6SAlexander V. Chernikov arg); 127052772a85SAndrey V. Elsukov port = sent->s_port; 1271914bffb6SAlexander V. Chernikov } 1272914bffb6SAlexander V. Chernikov tfe->sport = port; 1273914bffb6SAlexander V. Chernikov arg = p; 1274914bffb6SAlexander V. Chernikov } 1275914bffb6SAlexander V. Chernikov 1276914bffb6SAlexander V. Chernikov /* Handle <ipv4|ipv6>*/ 1277914bffb6SAlexander V. Chernikov if ((tflags & IPFW_TFFLAG_DSTIP) != 0) { 127835df97d0SAlexander V. Chernikov if (arg == NULL) 127935df97d0SAlexander V. Chernikov errx(EX_DATAERR, "invalid key: dst ip missing"); 1280914bffb6SAlexander V. Chernikov if ((p = strchr(arg, ',')) != NULL) 1281914bffb6SAlexander V. Chernikov *p++ = '\0'; 1282914bffb6SAlexander V. Chernikov /* Determine family using temporary storage */ 1283914bffb6SAlexander V. Chernikov if (inet_pton(AF_INET, arg, &tmp) == 1) { 1284914bffb6SAlexander V. Chernikov if (af != 0 && af != AF_INET) 1285914bffb6SAlexander V. Chernikov errx(EX_DATAERR, 1286914bffb6SAlexander V. Chernikov "Inconsistent address family"); 1287914bffb6SAlexander V. Chernikov af = AF_INET; 1288914bffb6SAlexander V. Chernikov memcpy(&tfe->a.a4.dip, &tmp, 4); 1289914bffb6SAlexander V. Chernikov } else if (inet_pton(AF_INET6, arg, &tmp) == 1) { 1290914bffb6SAlexander V. Chernikov if (af != 0 && af != AF_INET6) 1291914bffb6SAlexander V. Chernikov errx(EX_DATAERR, 1292914bffb6SAlexander V. Chernikov "Inconsistent address family"); 1293914bffb6SAlexander V. Chernikov af = AF_INET6; 1294914bffb6SAlexander V. Chernikov memcpy(&tfe->a.a6.dip6, &tmp, 16); 1295914bffb6SAlexander V. Chernikov } 1296914bffb6SAlexander V. Chernikov 1297914bffb6SAlexander V. Chernikov arg = p; 1298914bffb6SAlexander V. Chernikov } 1299914bffb6SAlexander V. Chernikov 1300914bffb6SAlexander V. Chernikov /* Handle <port-num|service-name> */ 1301914bffb6SAlexander V. Chernikov if ((tflags & IPFW_TFFLAG_DSTPORT) != 0) { 130235df97d0SAlexander V. Chernikov if (arg == NULL) 130335df97d0SAlexander V. Chernikov errx(EX_DATAERR, "invalid key: dst port missing"); 1304914bffb6SAlexander V. Chernikov if ((p = strchr(arg, ',')) != NULL) 1305914bffb6SAlexander V. Chernikov *p++ = '\0'; 1306914bffb6SAlexander V. Chernikov 130752772a85SAndrey V. Elsukov port = htons(strtol(arg, &pp, 10)); 130852772a85SAndrey V. Elsukov if (*pp != '\0') { 1309914bffb6SAlexander V. Chernikov if ((sent = getservbyname(arg, NULL)) == NULL) 1310914bffb6SAlexander V. Chernikov errx(EX_DATAERR, "Unknown service: %s", 1311914bffb6SAlexander V. Chernikov arg); 131252772a85SAndrey V. Elsukov port = sent->s_port; 1313914bffb6SAlexander V. Chernikov } 1314914bffb6SAlexander V. Chernikov tfe->dport = port; 1315914bffb6SAlexander V. Chernikov arg = p; 1316914bffb6SAlexander V. Chernikov } 1317914bffb6SAlexander V. Chernikov 1318914bffb6SAlexander V. Chernikov tfe->af = af; 1319914bffb6SAlexander V. Chernikov 1320914bffb6SAlexander V. Chernikov break; 1321914bffb6SAlexander V. Chernikov 1322ac35ff17SAlexander V. Chernikov default: 1323ac35ff17SAlexander V. Chernikov errx(EX_DATAERR, "Unsupported table type: %d", type); 1324ac35ff17SAlexander V. Chernikov } 1325ac35ff17SAlexander V. Chernikov 1326ac35ff17SAlexander V. Chernikov tentry->subtype = af; 1327ac35ff17SAlexander V. Chernikov tentry->masklen = masklen; 1328ac35ff17SAlexander V. Chernikov } 1329ac35ff17SAlexander V. Chernikov 13308755aff6SAlexander V. Chernikov /* 13318755aff6SAlexander V. Chernikov * Tries to guess table key type. 13328755aff6SAlexander V. Chernikov * This procedure is used in legacy table auto-create 13338755aff6SAlexander V. Chernikov * code AND in `ipfw -n` ruleset checking. 13348755aff6SAlexander V. Chernikov * 13358755aff6SAlexander V. Chernikov * Imported from old table_fill_xentry() parse code. 13368755aff6SAlexander V. Chernikov */ 13378755aff6SAlexander V. Chernikov static int 13388755aff6SAlexander V. Chernikov guess_key_type(char *key, uint8_t *ptype) 13398755aff6SAlexander V. Chernikov { 13408755aff6SAlexander V. Chernikov char *p; 13418755aff6SAlexander V. Chernikov struct in6_addr addr; 13428755aff6SAlexander V. Chernikov uint32_t kv; 13438755aff6SAlexander V. Chernikov 13448755aff6SAlexander V. Chernikov if (ishexnumber(*key) != 0 || *key == ':') { 13458755aff6SAlexander V. Chernikov /* Remove / if exists */ 13468755aff6SAlexander V. Chernikov if ((p = strchr(key, '/')) != NULL) 13478755aff6SAlexander V. Chernikov *p = '\0'; 13488755aff6SAlexander V. Chernikov 13498755aff6SAlexander V. Chernikov if ((inet_pton(AF_INET, key, &addr) == 1) || 13508755aff6SAlexander V. Chernikov (inet_pton(AF_INET6, key, &addr) == 1)) { 13518755aff6SAlexander V. Chernikov *ptype = IPFW_TABLE_CIDR; 13528755aff6SAlexander V. Chernikov if (p != NULL) 13538755aff6SAlexander V. Chernikov *p = '/'; 13548755aff6SAlexander V. Chernikov return (0); 13558755aff6SAlexander V. Chernikov } else { 13568755aff6SAlexander V. Chernikov /* Port or any other key */ 13578755aff6SAlexander V. Chernikov /* Skip non-base 10 entries like 'fa1' */ 13588755aff6SAlexander V. Chernikov kv = strtol(key, &p, 10); 13598755aff6SAlexander V. Chernikov if (*p == '\0') { 13608755aff6SAlexander V. Chernikov *ptype = IPFW_TABLE_NUMBER; 13618755aff6SAlexander V. Chernikov return (0); 13628755aff6SAlexander V. Chernikov } else if ((p != key) && (*p == '.')) { 13638755aff6SAlexander V. Chernikov /* 13648755aff6SAlexander V. Chernikov * Warn on IPv4 address strings 13658755aff6SAlexander V. Chernikov * which are "valid" for inet_aton() but not 13668755aff6SAlexander V. Chernikov * in inet_pton(). 13678755aff6SAlexander V. Chernikov * 13688755aff6SAlexander V. Chernikov * Typical examples: '10.5' or '10.0.0.05' 13698755aff6SAlexander V. Chernikov */ 13708755aff6SAlexander V. Chernikov return (1); 13718755aff6SAlexander V. Chernikov } 13728755aff6SAlexander V. Chernikov } 13738755aff6SAlexander V. Chernikov } 13748755aff6SAlexander V. Chernikov 13758755aff6SAlexander V. Chernikov if (strchr(key, '.') == NULL) { 13768755aff6SAlexander V. Chernikov *ptype = IPFW_TABLE_INTERFACE; 13778755aff6SAlexander V. Chernikov return (0); 13788755aff6SAlexander V. Chernikov } 13798755aff6SAlexander V. Chernikov 13808755aff6SAlexander V. Chernikov if (lookup_host(key, (struct in_addr *)&addr) != 0) 13818755aff6SAlexander V. Chernikov return (1); 13828755aff6SAlexander V. Chernikov 13838755aff6SAlexander V. Chernikov *ptype = IPFW_TABLE_CIDR; 13848755aff6SAlexander V. Chernikov return (0); 13858755aff6SAlexander V. Chernikov } 13868755aff6SAlexander V. Chernikov 1387ac35ff17SAlexander V. Chernikov static void 1388ac35ff17SAlexander V. Chernikov tentry_fill_key(ipfw_obj_header *oh, ipfw_obj_tentry *tent, char *key, 13890cba2b28SAlexander V. Chernikov int add, uint8_t *ptype, uint32_t *pvmask, ipfw_xtable_info *xi) 1390ac35ff17SAlexander V. Chernikov { 13910cba2b28SAlexander V. Chernikov uint8_t type, tflags; 13920cba2b28SAlexander V. Chernikov uint32_t vmask; 1393ac35ff17SAlexander V. Chernikov int error; 1394ac35ff17SAlexander V. Chernikov 1395ac35ff17SAlexander V. Chernikov type = 0; 1396914bffb6SAlexander V. Chernikov tflags = 0; 13970cba2b28SAlexander V. Chernikov vmask = 0; 1398ac35ff17SAlexander V. Chernikov 13993a845e10SAlexander V. Chernikov if (xi->tablename[0] == '\0') 140081d3153dSAlexander V. Chernikov error = table_get_info(oh, xi); 14013a845e10SAlexander V. Chernikov else 14023a845e10SAlexander V. Chernikov error = 0; 140381d3153dSAlexander V. Chernikov 140481d3153dSAlexander V. Chernikov if (error == 0) { 14058755aff6SAlexander V. Chernikov if (co.test_only == 0) { 14068755aff6SAlexander V. Chernikov /* Table found */ 140781d3153dSAlexander V. Chernikov type = xi->type; 1408914bffb6SAlexander V. Chernikov tflags = xi->tflags; 14090cba2b28SAlexander V. Chernikov vmask = xi->vmask; 141081d3153dSAlexander V. Chernikov } else { 14118755aff6SAlexander V. Chernikov /* 1412463a577bSEitan Adler * We're running `ipfw -n` 1413463a577bSEitan Adler * Compatibility layer: try to guess key type 14148755aff6SAlexander V. Chernikov * before failing. 14158755aff6SAlexander V. Chernikov */ 14168755aff6SAlexander V. Chernikov if (guess_key_type(key, &type) != 0) { 14178755aff6SAlexander V. Chernikov /* Inknown key */ 14188755aff6SAlexander V. Chernikov errx(EX_USAGE, "Cannot guess " 14198755aff6SAlexander V. Chernikov "key '%s' type", key); 14208755aff6SAlexander V. Chernikov } 14218755aff6SAlexander V. Chernikov vmask = IPFW_VTYPE_LEGACY; 14228755aff6SAlexander V. Chernikov } 14238755aff6SAlexander V. Chernikov } else { 142481d3153dSAlexander V. Chernikov if (error != ESRCH) 142581d3153dSAlexander V. Chernikov errx(EX_OSERR, "Error requesting table %s info", 142681d3153dSAlexander V. Chernikov oh->ntlv.name); 142735df97d0SAlexander V. Chernikov if (add == 0) 142835df97d0SAlexander V. Chernikov errx(EX_DATAERR, "Table %s does not exist", 142935df97d0SAlexander V. Chernikov oh->ntlv.name); 1430ac35ff17SAlexander V. Chernikov /* 14318755aff6SAlexander V. Chernikov * Table does not exist 1432463a577bSEitan Adler * Compatibility layer: try to guess key type before failing. 1433ac35ff17SAlexander V. Chernikov */ 14348755aff6SAlexander V. Chernikov if (guess_key_type(key, &type) != 0) { 143581d3153dSAlexander V. Chernikov /* Inknown key */ 143681d3153dSAlexander V. Chernikov errx(EX_USAGE, "Table %s does not exist, cannot guess " 1437db785d31SAlexander V. Chernikov "key '%s' type", oh->ntlv.name, key); 143881d3153dSAlexander V. Chernikov } 14398755aff6SAlexander V. Chernikov 14408755aff6SAlexander V. Chernikov vmask = IPFW_VTYPE_LEGACY; 1441ac35ff17SAlexander V. Chernikov } 1442ac35ff17SAlexander V. Chernikov 1443914bffb6SAlexander V. Chernikov tentry_fill_key_type(key, tent, type, tflags); 1444ac35ff17SAlexander V. Chernikov 1445ac35ff17SAlexander V. Chernikov *ptype = type; 14460cba2b28SAlexander V. Chernikov *pvmask = vmask; 14470cba2b28SAlexander V. Chernikov } 14480cba2b28SAlexander V. Chernikov 14490cba2b28SAlexander V. Chernikov static void 14500cba2b28SAlexander V. Chernikov set_legacy_value(uint32_t val, ipfw_table_value *v) 14510cba2b28SAlexander V. Chernikov { 14520cba2b28SAlexander V. Chernikov v->tag = val; 14530cba2b28SAlexander V. Chernikov v->pipe = val; 14540cba2b28SAlexander V. Chernikov v->divert = val; 14550cba2b28SAlexander V. Chernikov v->skipto = val; 14560cba2b28SAlexander V. Chernikov v->netgraph = val; 14570cba2b28SAlexander V. Chernikov v->fib = val; 14580cba2b28SAlexander V. Chernikov v->nat = val; 14590cba2b28SAlexander V. Chernikov v->nh4 = val; 14600cba2b28SAlexander V. Chernikov v->dscp = (uint8_t)val; 14610cba2b28SAlexander V. Chernikov v->limit = val; 1462ac35ff17SAlexander V. Chernikov } 1463ac35ff17SAlexander V. Chernikov 1464ac35ff17SAlexander V. Chernikov static void 1465ac35ff17SAlexander V. Chernikov tentry_fill_value(ipfw_obj_header *oh, ipfw_obj_tentry *tent, char *arg, 14660cba2b28SAlexander V. Chernikov uint8_t type, uint32_t vmask) 1467ac35ff17SAlexander V. Chernikov { 14682530ed9eSAndrey V. Elsukov struct addrinfo hints, *res; 1469b7684f4bSMarcelo Araujo uint32_t a4, flag, val; 14700cba2b28SAlexander V. Chernikov ipfw_table_value *v; 14710cba2b28SAlexander V. Chernikov uint32_t i; 1472d91c61c3SAlexander V. Chernikov int dval; 14730cba2b28SAlexander V. Chernikov char *comma, *e, *etype, *n, *p; 14744e0a8b61SConrad Meyer struct in_addr ipaddr; 1475ac35ff17SAlexander V. Chernikov 14760cba2b28SAlexander V. Chernikov v = &tent->v.value; 14770cba2b28SAlexander V. Chernikov 14780cba2b28SAlexander V. Chernikov /* Compat layer: keep old behavior for legacy value types */ 14790cba2b28SAlexander V. Chernikov if (vmask == IPFW_VTYPE_LEGACY) { 1480adf3b2b9SAlexander V. Chernikov /* Try to interpret as number first */ 14810cba2b28SAlexander V. Chernikov val = strtoul(arg, &p, 0); 14820cba2b28SAlexander V. Chernikov if (*p == '\0') { 14830cba2b28SAlexander V. Chernikov set_legacy_value(val, v); 1484adf3b2b9SAlexander V. Chernikov return; 14850cba2b28SAlexander V. Chernikov } 1486adf3b2b9SAlexander V. Chernikov if (inet_pton(AF_INET, arg, &val) == 1) { 14870cba2b28SAlexander V. Chernikov set_legacy_value(ntohl(val), v); 1488adf3b2b9SAlexander V. Chernikov return; 1489adf3b2b9SAlexander V. Chernikov } 1490adf3b2b9SAlexander V. Chernikov /* Try hostname */ 14914e0a8b61SConrad Meyer if (lookup_host(arg, &ipaddr) == 0) { 14924e0a8b61SConrad Meyer set_legacy_value(ntohl(ipaddr.s_addr), v); 1493adf3b2b9SAlexander V. Chernikov return; 14940cba2b28SAlexander V. Chernikov } 1495adf3b2b9SAlexander V. Chernikov errx(EX_OSERR, "Unable to parse value %s", arg); 14960cba2b28SAlexander V. Chernikov } 14970cba2b28SAlexander V. Chernikov 14980cba2b28SAlexander V. Chernikov /* 14990cba2b28SAlexander V. Chernikov * Shorthands: handle single value if vmask consists 15000cba2b28SAlexander V. Chernikov * of numbers only. e.g.: 15010cba2b28SAlexander V. Chernikov * vmask = "fib,skipto" -> treat input "1" as "1,1" 15020cba2b28SAlexander V. Chernikov */ 15030cba2b28SAlexander V. Chernikov 15040cba2b28SAlexander V. Chernikov n = arg; 15050cba2b28SAlexander V. Chernikov etype = NULL; 15060cba2b28SAlexander V. Chernikov for (i = 1; i < (1 << 31); i *= 2) { 15070cba2b28SAlexander V. Chernikov if ((flag = (vmask & i)) == 0) 15080cba2b28SAlexander V. Chernikov continue; 15090cba2b28SAlexander V. Chernikov vmask &= ~flag; 15100cba2b28SAlexander V. Chernikov 15110cba2b28SAlexander V. Chernikov if ((comma = strchr(n, ',')) != NULL) 15120cba2b28SAlexander V. Chernikov *comma = '\0'; 15130cba2b28SAlexander V. Chernikov 15140cba2b28SAlexander V. Chernikov switch (flag) { 15150cba2b28SAlexander V. Chernikov case IPFW_VTYPE_TAG: 15160cba2b28SAlexander V. Chernikov v->tag = strtol(n, &e, 10); 15170cba2b28SAlexander V. Chernikov if (*e != '\0') 15180cba2b28SAlexander V. Chernikov etype = "tag"; 1519ac35ff17SAlexander V. Chernikov break; 15200cba2b28SAlexander V. Chernikov case IPFW_VTYPE_PIPE: 15210cba2b28SAlexander V. Chernikov v->pipe = strtol(n, &e, 10); 15220cba2b28SAlexander V. Chernikov if (*e != '\0') 15230cba2b28SAlexander V. Chernikov etype = "pipe"; 1524ac35ff17SAlexander V. Chernikov break; 15250cba2b28SAlexander V. Chernikov case IPFW_VTYPE_DIVERT: 15260cba2b28SAlexander V. Chernikov v->divert = strtol(n, &e, 10); 15270cba2b28SAlexander V. Chernikov if (*e != '\0') 15280cba2b28SAlexander V. Chernikov etype = "divert"; 15290cba2b28SAlexander V. Chernikov break; 15300cba2b28SAlexander V. Chernikov case IPFW_VTYPE_SKIPTO: 15310cba2b28SAlexander V. Chernikov v->skipto = strtol(n, &e, 10); 15320cba2b28SAlexander V. Chernikov if (*e != '\0') 15330cba2b28SAlexander V. Chernikov etype = "skipto"; 15340cba2b28SAlexander V. Chernikov break; 15350cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NETGRAPH: 15360cba2b28SAlexander V. Chernikov v->netgraph = strtol(n, &e, 10); 15370cba2b28SAlexander V. Chernikov if (*e != '\0') 15380cba2b28SAlexander V. Chernikov etype = "netgraph"; 15390cba2b28SAlexander V. Chernikov break; 15400cba2b28SAlexander V. Chernikov case IPFW_VTYPE_FIB: 15410cba2b28SAlexander V. Chernikov v->fib = strtol(n, &e, 10); 15420cba2b28SAlexander V. Chernikov if (*e != '\0') 15430cba2b28SAlexander V. Chernikov etype = "fib"; 15440cba2b28SAlexander V. Chernikov break; 15450cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NAT: 15460cba2b28SAlexander V. Chernikov v->nat = strtol(n, &e, 10); 15470cba2b28SAlexander V. Chernikov if (*e != '\0') 15480cba2b28SAlexander V. Chernikov etype = "nat"; 15490cba2b28SAlexander V. Chernikov break; 15500cba2b28SAlexander V. Chernikov case IPFW_VTYPE_LIMIT: 15510cba2b28SAlexander V. Chernikov v->limit = strtol(n, &e, 10); 15520cba2b28SAlexander V. Chernikov if (*e != '\0') 15530cba2b28SAlexander V. Chernikov etype = "limit"; 15540cba2b28SAlexander V. Chernikov break; 15550cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NH4: 15560cba2b28SAlexander V. Chernikov if (strchr(n, '.') != NULL && 15570cba2b28SAlexander V. Chernikov inet_pton(AF_INET, n, &a4) == 1) { 15580cba2b28SAlexander V. Chernikov v->nh4 = ntohl(a4); 15590cba2b28SAlexander V. Chernikov break; 15600cba2b28SAlexander V. Chernikov } 15614e0a8b61SConrad Meyer if (lookup_host(n, &ipaddr) == 0) { 15624e0a8b61SConrad Meyer v->nh4 = ntohl(ipaddr.s_addr); 15630cba2b28SAlexander V. Chernikov break; 15644e0a8b61SConrad Meyer } 15650cba2b28SAlexander V. Chernikov etype = "ipv4"; 1566ac35ff17SAlexander V. Chernikov break; 1567ac35ff17SAlexander V. Chernikov case IPFW_VTYPE_DSCP: 15680cba2b28SAlexander V. Chernikov if (isalpha(*n)) { 1569d91c61c3SAlexander V. Chernikov if ((dval = match_token(f_ipdscp, n)) != -1) { 1570d91c61c3SAlexander V. Chernikov v->dscp = dval; 1571ac35ff17SAlexander V. Chernikov break; 1572d91c61c3SAlexander V. Chernikov } else 15730cba2b28SAlexander V. Chernikov etype = "DSCP code"; 15740cba2b28SAlexander V. Chernikov } else { 15750cba2b28SAlexander V. Chernikov v->dscp = strtol(n, &e, 10); 15760cba2b28SAlexander V. Chernikov if (v->dscp > 63 || *e != '\0') 15770cba2b28SAlexander V. Chernikov etype = "DSCP value"; 1578ac35ff17SAlexander V. Chernikov } 15790cba2b28SAlexander V. Chernikov break; 15800cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NH6: 15812530ed9eSAndrey V. Elsukov if (strchr(n, ':') != NULL) { 15822530ed9eSAndrey V. Elsukov memset(&hints, 0, sizeof(hints)); 15832530ed9eSAndrey V. Elsukov hints.ai_family = AF_INET6; 15842530ed9eSAndrey V. Elsukov hints.ai_flags = AI_NUMERICHOST; 15852530ed9eSAndrey V. Elsukov if (getaddrinfo(n, NULL, &hints, &res) == 0) { 15862530ed9eSAndrey V. Elsukov v->nh6 = ((struct sockaddr_in6 *) 15872530ed9eSAndrey V. Elsukov res->ai_addr)->sin6_addr; 15882530ed9eSAndrey V. Elsukov v->zoneid = ((struct sockaddr_in6 *) 15892530ed9eSAndrey V. Elsukov res->ai_addr)->sin6_scope_id; 15902530ed9eSAndrey V. Elsukov freeaddrinfo(res); 15910cba2b28SAlexander V. Chernikov break; 15922530ed9eSAndrey V. Elsukov } 15932530ed9eSAndrey V. Elsukov } 15940cba2b28SAlexander V. Chernikov etype = "ipv6"; 15950cba2b28SAlexander V. Chernikov break; 15960cba2b28SAlexander V. Chernikov } 15970cba2b28SAlexander V. Chernikov 15980cba2b28SAlexander V. Chernikov if (etype != NULL) 15990cba2b28SAlexander V. Chernikov errx(EX_USAGE, "Unable to parse %s as %s", n, etype); 16000cba2b28SAlexander V. Chernikov 16010cba2b28SAlexander V. Chernikov if (comma != NULL) 16020cba2b28SAlexander V. Chernikov *comma++ = ','; 16030cba2b28SAlexander V. Chernikov 16040cba2b28SAlexander V. Chernikov if ((n = comma) != NULL) 16050cba2b28SAlexander V. Chernikov continue; 16060cba2b28SAlexander V. Chernikov 16070cba2b28SAlexander V. Chernikov /* End of input. */ 16080cba2b28SAlexander V. Chernikov if (vmask != 0) 16090cba2b28SAlexander V. Chernikov errx(EX_USAGE, "Not enough fields inside value"); 16100cba2b28SAlexander V. Chernikov } 1611ac35ff17SAlexander V. Chernikov } 1612f1220db8SAlexander V. Chernikov 1613f1220db8SAlexander V. Chernikov /* 1614f1220db8SAlexander V. Chernikov * Compare table names. 1615f1220db8SAlexander V. Chernikov * Honor number comparison. 1616f1220db8SAlexander V. Chernikov */ 1617f1220db8SAlexander V. Chernikov static int 1618f1220db8SAlexander V. Chernikov tablename_cmp(const void *a, const void *b) 1619f1220db8SAlexander V. Chernikov { 1620f1220db8SAlexander V. Chernikov ipfw_xtable_info *ia, *ib; 1621f1220db8SAlexander V. Chernikov 1622f1220db8SAlexander V. Chernikov ia = (ipfw_xtable_info *)a; 1623f1220db8SAlexander V. Chernikov ib = (ipfw_xtable_info *)b; 1624f1220db8SAlexander V. Chernikov 162568394ec8SAlexander V. Chernikov return (stringnum_cmp(ia->tablename, ib->tablename)); 1626f1220db8SAlexander V. Chernikov } 1627f1220db8SAlexander V. Chernikov 1628f1220db8SAlexander V. Chernikov /* 1629f1220db8SAlexander V. Chernikov * Retrieves table list from kernel, 1630f1220db8SAlexander V. Chernikov * optionally sorts it and calls requested function for each table. 1631f1220db8SAlexander V. Chernikov * Returns 0 on success. 1632f1220db8SAlexander V. Chernikov */ 1633f1220db8SAlexander V. Chernikov static int 1634f1220db8SAlexander V. Chernikov tables_foreach(table_cb_t *f, void *arg, int sort) 1635f1220db8SAlexander V. Chernikov { 163628ea4fa3SAlexander V. Chernikov ipfw_obj_lheader *olh; 1637f1220db8SAlexander V. Chernikov ipfw_xtable_info *info; 1638f1220db8SAlexander V. Chernikov size_t sz; 1639f1220db8SAlexander V. Chernikov int i, error; 1640f1220db8SAlexander V. Chernikov 164128ea4fa3SAlexander V. Chernikov /* Start with reasonable default */ 164228ea4fa3SAlexander V. Chernikov sz = sizeof(*olh) + 16 * sizeof(ipfw_xtable_info); 1643f1220db8SAlexander V. Chernikov 164428ea4fa3SAlexander V. Chernikov for (;;) { 1645f1220db8SAlexander V. Chernikov if ((olh = calloc(1, sz)) == NULL) 1646f1220db8SAlexander V. Chernikov return (ENOMEM); 1647f1220db8SAlexander V. Chernikov 1648f1220db8SAlexander V. Chernikov olh->size = sz; 1649b6462881SAlexander V. Chernikov if (do_get3(IP_FW_TABLES_XLIST, &olh->opheader, &sz) != 0) { 165028ea4fa3SAlexander V. Chernikov sz = olh->size; 165168bde59eSAlexander V. Chernikov free(olh); 165268bde59eSAlexander V. Chernikov if (errno != ENOMEM) 1653b6462881SAlexander V. Chernikov return (errno); 165468bde59eSAlexander V. Chernikov continue; 1655f1220db8SAlexander V. Chernikov } 1656f1220db8SAlexander V. Chernikov 1657f1220db8SAlexander V. Chernikov if (sort != 0) 1658e028ccdaSAndrey V. Elsukov qsort(olh + 1, olh->count, olh->objsize, 1659e028ccdaSAndrey V. Elsukov tablename_cmp); 1660f1220db8SAlexander V. Chernikov 1661f1220db8SAlexander V. Chernikov info = (ipfw_xtable_info *)(olh + 1); 1662f1220db8SAlexander V. Chernikov for (i = 0; i < olh->count; i++) { 1663e028ccdaSAndrey V. Elsukov if (co.use_set == 0 || info->set == co.use_set - 1) 1664e028ccdaSAndrey V. Elsukov error = f(info, arg); 1665e028ccdaSAndrey V. Elsukov info = (ipfw_xtable_info *)((caddr_t)info + 1666e028ccdaSAndrey V. Elsukov olh->objsize); 1667f1220db8SAlexander V. Chernikov } 1668f1220db8SAlexander V. Chernikov free(olh); 166928ea4fa3SAlexander V. Chernikov break; 167028ea4fa3SAlexander V. Chernikov } 1671f1220db8SAlexander V. Chernikov return (0); 1672f1220db8SAlexander V. Chernikov } 1673f1220db8SAlexander V. Chernikov 167428ea4fa3SAlexander V. Chernikov 1675f1220db8SAlexander V. Chernikov /* 1676f1220db8SAlexander V. Chernikov * Retrieves all entries for given table @i in 1677720ee730SAlexander V. Chernikov * eXtended format. Allocate buffer large enough 1678720ee730SAlexander V. Chernikov * to store result. Called needs to free it later. 1679f1220db8SAlexander V. Chernikov * 1680f1220db8SAlexander V. Chernikov * Returns 0 on success. 1681f1220db8SAlexander V. Chernikov */ 1682f1220db8SAlexander V. Chernikov static int 1683720ee730SAlexander V. Chernikov table_do_get_list(ipfw_xtable_info *i, ipfw_obj_header **poh) 1684f1220db8SAlexander V. Chernikov { 1685720ee730SAlexander V. Chernikov ipfw_obj_header *oh; 1686f1220db8SAlexander V. Chernikov size_t sz; 1687b6462881SAlexander V. Chernikov int c; 1688f1220db8SAlexander V. Chernikov 168981d3153dSAlexander V. Chernikov sz = 0; 1690720ee730SAlexander V. Chernikov oh = NULL; 1691720ee730SAlexander V. Chernikov for (c = 0; c < 8; c++) { 169281d3153dSAlexander V. Chernikov if (sz < i->size) 1693720ee730SAlexander V. Chernikov sz = i->size + 44; 1694720ee730SAlexander V. Chernikov if (oh != NULL) 1695720ee730SAlexander V. Chernikov free(oh); 1696720ee730SAlexander V. Chernikov if ((oh = calloc(1, sz)) == NULL) 1697720ee730SAlexander V. Chernikov continue; 1698720ee730SAlexander V. Chernikov table_fill_objheader(oh, i); 1699d3a4f924SAlexander V. Chernikov oh->opheader.version = 1; /* Current version */ 1700b6462881SAlexander V. Chernikov if (do_get3(IP_FW_TABLE_XLIST, &oh->opheader, &sz) == 0) { 1701720ee730SAlexander V. Chernikov *poh = oh; 1702720ee730SAlexander V. Chernikov return (0); 170381d3153dSAlexander V. Chernikov } 1704f1220db8SAlexander V. Chernikov 1705b6462881SAlexander V. Chernikov if (errno != ENOMEM) 1706720ee730SAlexander V. Chernikov break; 1707720ee730SAlexander V. Chernikov } 1708720ee730SAlexander V. Chernikov free(oh); 1709720ee730SAlexander V. Chernikov 1710b6462881SAlexander V. Chernikov return (errno); 1711f1220db8SAlexander V. Chernikov } 1712f1220db8SAlexander V. Chernikov 1713f1220db8SAlexander V. Chernikov /* 1714f1220db8SAlexander V. Chernikov * Shows all entries from @oh in human-readable format 1715f1220db8SAlexander V. Chernikov */ 1716f1220db8SAlexander V. Chernikov static void 1717f1220db8SAlexander V. Chernikov table_show_list(ipfw_obj_header *oh, int need_header) 1718f1220db8SAlexander V. Chernikov { 171981d3153dSAlexander V. Chernikov ipfw_obj_tentry *tent; 172081d3153dSAlexander V. Chernikov uint32_t count; 1721f1220db8SAlexander V. Chernikov ipfw_xtable_info *i; 1722f1220db8SAlexander V. Chernikov 1723f1220db8SAlexander V. Chernikov i = (ipfw_xtable_info *)(oh + 1); 172481d3153dSAlexander V. Chernikov tent = (ipfw_obj_tentry *)(i + 1); 1725f1220db8SAlexander V. Chernikov 1726f1220db8SAlexander V. Chernikov if (need_header) 1727f1220db8SAlexander V. Chernikov printf("--- table(%s), set(%u) ---\n", i->tablename, i->set); 1728f1220db8SAlexander V. Chernikov 1729f1220db8SAlexander V. Chernikov count = i->count; 1730f1220db8SAlexander V. Chernikov while (count > 0) { 173181d3153dSAlexander V. Chernikov table_show_entry(i, tent); 173281d3153dSAlexander V. Chernikov tent = (ipfw_obj_tentry *)((caddr_t)tent + tent->head.length); 173381d3153dSAlexander V. Chernikov count--; 173481d3153dSAlexander V. Chernikov } 173581d3153dSAlexander V. Chernikov } 173681d3153dSAlexander V. Chernikov 173781d3153dSAlexander V. Chernikov static void 17380cba2b28SAlexander V. Chernikov table_show_value(char *buf, size_t bufsize, ipfw_table_value *v, 17390cba2b28SAlexander V. Chernikov uint32_t vmask, int print_ip) 17400cba2b28SAlexander V. Chernikov { 17412530ed9eSAndrey V. Elsukov char abuf[INET6_ADDRSTRLEN + IF_NAMESIZE + 2]; 17422530ed9eSAndrey V. Elsukov struct sockaddr_in6 sa6; 17430cba2b28SAlexander V. Chernikov uint32_t flag, i, l; 17440cba2b28SAlexander V. Chernikov size_t sz; 17450cba2b28SAlexander V. Chernikov struct in_addr a4; 17460cba2b28SAlexander V. Chernikov 17470cba2b28SAlexander V. Chernikov sz = bufsize; 17480cba2b28SAlexander V. Chernikov 17490cba2b28SAlexander V. Chernikov /* 17500cba2b28SAlexander V. Chernikov * Some shorthands for printing values: 17510cba2b28SAlexander V. Chernikov * legacy assumes all values are equal, so keep the first one. 17520cba2b28SAlexander V. Chernikov */ 17530cba2b28SAlexander V. Chernikov if (vmask == IPFW_VTYPE_LEGACY) { 17540cba2b28SAlexander V. Chernikov if (print_ip != 0) { 17550cba2b28SAlexander V. Chernikov flag = htonl(v->tag); 17560cba2b28SAlexander V. Chernikov inet_ntop(AF_INET, &flag, buf, sz); 17570cba2b28SAlexander V. Chernikov } else 17580cba2b28SAlexander V. Chernikov snprintf(buf, sz, "%u", v->tag); 17590cba2b28SAlexander V. Chernikov return; 17600cba2b28SAlexander V. Chernikov } 17610cba2b28SAlexander V. Chernikov 17620cba2b28SAlexander V. Chernikov for (i = 1; i < (1 << 31); i *= 2) { 17630cba2b28SAlexander V. Chernikov if ((flag = (vmask & i)) == 0) 17640cba2b28SAlexander V. Chernikov continue; 17650cba2b28SAlexander V. Chernikov l = 0; 17660cba2b28SAlexander V. Chernikov 17670cba2b28SAlexander V. Chernikov switch (flag) { 17680cba2b28SAlexander V. Chernikov case IPFW_VTYPE_TAG: 17690cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->tag); 17700cba2b28SAlexander V. Chernikov break; 17710cba2b28SAlexander V. Chernikov case IPFW_VTYPE_PIPE: 17720cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->pipe); 17730cba2b28SAlexander V. Chernikov break; 17740cba2b28SAlexander V. Chernikov case IPFW_VTYPE_DIVERT: 17750cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%d,", v->divert); 17760cba2b28SAlexander V. Chernikov break; 17770cba2b28SAlexander V. Chernikov case IPFW_VTYPE_SKIPTO: 17780cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%d,", v->skipto); 17790cba2b28SAlexander V. Chernikov break; 17800cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NETGRAPH: 17810cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->netgraph); 17820cba2b28SAlexander V. Chernikov break; 17830cba2b28SAlexander V. Chernikov case IPFW_VTYPE_FIB: 17840cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->fib); 17850cba2b28SAlexander V. Chernikov break; 17860cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NAT: 17870cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->nat); 17880cba2b28SAlexander V. Chernikov break; 17890cba2b28SAlexander V. Chernikov case IPFW_VTYPE_LIMIT: 17900cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%u,", v->limit); 17910cba2b28SAlexander V. Chernikov break; 17920cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NH4: 17930cba2b28SAlexander V. Chernikov a4.s_addr = htonl(v->nh4); 17940cba2b28SAlexander V. Chernikov inet_ntop(AF_INET, &a4, abuf, sizeof(abuf)); 17950cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%s,", abuf); 17960cba2b28SAlexander V. Chernikov break; 17970cba2b28SAlexander V. Chernikov case IPFW_VTYPE_DSCP: 17980cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%d,", v->dscp); 17990cba2b28SAlexander V. Chernikov break; 18000cba2b28SAlexander V. Chernikov case IPFW_VTYPE_NH6: 18012530ed9eSAndrey V. Elsukov sa6.sin6_family = AF_INET6; 18022530ed9eSAndrey V. Elsukov sa6.sin6_len = sizeof(sa6); 18032530ed9eSAndrey V. Elsukov sa6.sin6_addr = v->nh6; 18042530ed9eSAndrey V. Elsukov sa6.sin6_port = 0; 18052530ed9eSAndrey V. Elsukov sa6.sin6_scope_id = v->zoneid; 18062530ed9eSAndrey V. Elsukov if (getnameinfo((const struct sockaddr *)&sa6, 18072530ed9eSAndrey V. Elsukov sa6.sin6_len, abuf, sizeof(abuf), NULL, 0, 18082530ed9eSAndrey V. Elsukov NI_NUMERICHOST) == 0) 18090cba2b28SAlexander V. Chernikov l = snprintf(buf, sz, "%s,", abuf); 18100cba2b28SAlexander V. Chernikov break; 18110cba2b28SAlexander V. Chernikov } 18120cba2b28SAlexander V. Chernikov 18130cba2b28SAlexander V. Chernikov buf += l; 18140cba2b28SAlexander V. Chernikov sz -= l; 18150cba2b28SAlexander V. Chernikov } 18160cba2b28SAlexander V. Chernikov 18170cba2b28SAlexander V. Chernikov if (sz != bufsize) 18180cba2b28SAlexander V. Chernikov *(buf - 1) = '\0'; 18190cba2b28SAlexander V. Chernikov } 18200cba2b28SAlexander V. Chernikov 18210cba2b28SAlexander V. Chernikov static void 182281d3153dSAlexander V. Chernikov table_show_entry(ipfw_xtable_info *i, ipfw_obj_tentry *tent) 182381d3153dSAlexander V. Chernikov { 18240cba2b28SAlexander V. Chernikov char *comma, tbuf[128], pval[128]; 1825914bffb6SAlexander V. Chernikov void *paddr; 1826914bffb6SAlexander V. Chernikov struct tflow_entry *tfe; 182781d3153dSAlexander V. Chernikov 18280cba2b28SAlexander V. Chernikov table_show_value(pval, sizeof(pval), &tent->v.value, i->vmask, 18290cba2b28SAlexander V. Chernikov co.do_value_as_ip); 1830914bffb6SAlexander V. Chernikov 1831f1220db8SAlexander V. Chernikov switch (i->type) { 1832c21034b7SAlexander V. Chernikov case IPFW_TABLE_ADDR: 1833f1220db8SAlexander V. Chernikov /* IPv4 or IPv6 prefixes */ 183481d3153dSAlexander V. Chernikov inet_ntop(tent->subtype, &tent->k, tbuf, sizeof(tbuf)); 1835914bffb6SAlexander V. Chernikov printf("%s/%u %s\n", tbuf, tent->masklen, pval); 1836f1220db8SAlexander V. Chernikov break; 1837f1220db8SAlexander V. Chernikov case IPFW_TABLE_INTERFACE: 1838f1220db8SAlexander V. Chernikov /* Interface names */ 1839914bffb6SAlexander V. Chernikov printf("%s %s\n", tent->k.iface, pval); 1840b23d5de9SAlexander V. Chernikov break; 1841b23d5de9SAlexander V. Chernikov case IPFW_TABLE_NUMBER: 1842b23d5de9SAlexander V. Chernikov /* numbers */ 1843914bffb6SAlexander V. Chernikov printf("%u %s\n", tent->k.key, pval); 1844b23d5de9SAlexander V. Chernikov break; 1845914bffb6SAlexander V. Chernikov case IPFW_TABLE_FLOW: 1846914bffb6SAlexander V. Chernikov /* flows */ 1847914bffb6SAlexander V. Chernikov tfe = &tent->k.flow; 1848914bffb6SAlexander V. Chernikov comma = ""; 1849914bffb6SAlexander V. Chernikov 1850914bffb6SAlexander V. Chernikov if ((i->tflags & IPFW_TFFLAG_SRCIP) != 0) { 1851914bffb6SAlexander V. Chernikov if (tfe->af == AF_INET) 1852914bffb6SAlexander V. Chernikov paddr = &tfe->a.a4.sip; 1853914bffb6SAlexander V. Chernikov else 1854914bffb6SAlexander V. Chernikov paddr = &tfe->a.a6.sip6; 1855914bffb6SAlexander V. Chernikov 1856914bffb6SAlexander V. Chernikov inet_ntop(tfe->af, paddr, tbuf, sizeof(tbuf)); 1857914bffb6SAlexander V. Chernikov printf("%s%s", comma, tbuf); 1858914bffb6SAlexander V. Chernikov comma = ","; 1859914bffb6SAlexander V. Chernikov } 1860914bffb6SAlexander V. Chernikov 1861914bffb6SAlexander V. Chernikov if ((i->tflags & IPFW_TFFLAG_PROTO) != 0) { 1862914bffb6SAlexander V. Chernikov printf("%s%d", comma, tfe->proto); 1863914bffb6SAlexander V. Chernikov comma = ","; 1864914bffb6SAlexander V. Chernikov } 1865914bffb6SAlexander V. Chernikov 1866914bffb6SAlexander V. Chernikov if ((i->tflags & IPFW_TFFLAG_SRCPORT) != 0) { 1867914bffb6SAlexander V. Chernikov printf("%s%d", comma, ntohs(tfe->sport)); 1868914bffb6SAlexander V. Chernikov comma = ","; 1869914bffb6SAlexander V. Chernikov } 1870914bffb6SAlexander V. Chernikov if ((i->tflags & IPFW_TFFLAG_DSTIP) != 0) { 1871914bffb6SAlexander V. Chernikov if (tfe->af == AF_INET) 1872914bffb6SAlexander V. Chernikov paddr = &tfe->a.a4.dip; 1873914bffb6SAlexander V. Chernikov else 1874914bffb6SAlexander V. Chernikov paddr = &tfe->a.a6.dip6; 1875914bffb6SAlexander V. Chernikov 1876914bffb6SAlexander V. Chernikov inet_ntop(tfe->af, paddr, tbuf, sizeof(tbuf)); 1877914bffb6SAlexander V. Chernikov printf("%s%s", comma, tbuf); 1878914bffb6SAlexander V. Chernikov comma = ","; 1879914bffb6SAlexander V. Chernikov } 1880914bffb6SAlexander V. Chernikov 1881914bffb6SAlexander V. Chernikov if ((i->tflags & IPFW_TFFLAG_DSTPORT) != 0) { 1882914bffb6SAlexander V. Chernikov printf("%s%d", comma, ntohs(tfe->dport)); 1883914bffb6SAlexander V. Chernikov comma = ","; 1884914bffb6SAlexander V. Chernikov } 1885914bffb6SAlexander V. Chernikov 1886914bffb6SAlexander V. Chernikov printf(" %s\n", pval); 1887f1220db8SAlexander V. Chernikov } 1888f1220db8SAlexander V. Chernikov } 1889f1220db8SAlexander V. Chernikov 18909d099b4fSAlexander V. Chernikov static int 18910cba2b28SAlexander V. Chernikov table_do_get_stdlist(uint16_t opcode, ipfw_obj_lheader **polh) 18929d099b4fSAlexander V. Chernikov { 18939d099b4fSAlexander V. Chernikov ipfw_obj_lheader req, *olh; 18949d099b4fSAlexander V. Chernikov size_t sz; 18959d099b4fSAlexander V. Chernikov 18969d099b4fSAlexander V. Chernikov memset(&req, 0, sizeof(req)); 18979d099b4fSAlexander V. Chernikov sz = sizeof(req); 18989d099b4fSAlexander V. Chernikov 1899b6462881SAlexander V. Chernikov if (do_get3(opcode, &req.opheader, &sz) != 0) 1900b6462881SAlexander V. Chernikov if (errno != ENOMEM) 1901b6462881SAlexander V. Chernikov return (errno); 19029d099b4fSAlexander V. Chernikov 19039d099b4fSAlexander V. Chernikov sz = req.size; 19049d099b4fSAlexander V. Chernikov if ((olh = calloc(1, sz)) == NULL) 19059d099b4fSAlexander V. Chernikov return (ENOMEM); 19069d099b4fSAlexander V. Chernikov 19079d099b4fSAlexander V. Chernikov olh->size = sz; 1908b6462881SAlexander V. Chernikov if (do_get3(opcode, &olh->opheader, &sz) != 0) { 19099d099b4fSAlexander V. Chernikov free(olh); 1910b6462881SAlexander V. Chernikov return (errno); 19119d099b4fSAlexander V. Chernikov } 19129d099b4fSAlexander V. Chernikov 19139d099b4fSAlexander V. Chernikov *polh = olh; 19149d099b4fSAlexander V. Chernikov return (0); 19159d099b4fSAlexander V. Chernikov } 19169d099b4fSAlexander V. Chernikov 19170cba2b28SAlexander V. Chernikov static int 19180cba2b28SAlexander V. Chernikov table_do_get_algolist(ipfw_obj_lheader **polh) 19190cba2b28SAlexander V. Chernikov { 19200cba2b28SAlexander V. Chernikov 19210cba2b28SAlexander V. Chernikov return (table_do_get_stdlist(IP_FW_TABLES_ALIST, polh)); 19220cba2b28SAlexander V. Chernikov } 19230cba2b28SAlexander V. Chernikov 19240cba2b28SAlexander V. Chernikov static int 19250cba2b28SAlexander V. Chernikov table_do_get_vlist(ipfw_obj_lheader **polh) 19260cba2b28SAlexander V. Chernikov { 19270cba2b28SAlexander V. Chernikov 19280cba2b28SAlexander V. Chernikov return (table_do_get_stdlist(IP_FW_TABLE_VLIST, polh)); 19290cba2b28SAlexander V. Chernikov } 19300cba2b28SAlexander V. Chernikov 19319d099b4fSAlexander V. Chernikov void 19329d099b4fSAlexander V. Chernikov ipfw_list_ta(int ac, char *av[]) 19339d099b4fSAlexander V. Chernikov { 19349d099b4fSAlexander V. Chernikov ipfw_obj_lheader *olh; 19359d099b4fSAlexander V. Chernikov ipfw_ta_info *info; 19369d099b4fSAlexander V. Chernikov int error, i; 19379d099b4fSAlexander V. Chernikov const char *atype; 19389d099b4fSAlexander V. Chernikov 19399d099b4fSAlexander V. Chernikov error = table_do_get_algolist(&olh); 19409d099b4fSAlexander V. Chernikov if (error != 0) 19419d099b4fSAlexander V. Chernikov err(EX_OSERR, "Unable to request algorithm list"); 19429d099b4fSAlexander V. Chernikov 19439d099b4fSAlexander V. Chernikov info = (ipfw_ta_info *)(olh + 1); 19449d099b4fSAlexander V. Chernikov for (i = 0; i < olh->count; i++) { 19459d099b4fSAlexander V. Chernikov if ((atype = match_value(tabletypes, info->type)) == NULL) 19469d099b4fSAlexander V. Chernikov atype = "unknown"; 19478ce7a2bcSAlexander V. Chernikov printf("--- %s ---\n", info->algoname); 19488ce7a2bcSAlexander V. Chernikov printf(" type: %s\n refcount: %u\n", atype, info->refcnt); 19499d099b4fSAlexander V. Chernikov 19509d099b4fSAlexander V. Chernikov info = (ipfw_ta_info *)((caddr_t)info + olh->objsize); 19519d099b4fSAlexander V. Chernikov } 19529d099b4fSAlexander V. Chernikov 19539d099b4fSAlexander V. Chernikov free(olh); 19549d099b4fSAlexander V. Chernikov } 19559d099b4fSAlexander V. Chernikov 19560cba2b28SAlexander V. Chernikov 19570cba2b28SAlexander V. Chernikov /* Copy of current kernel table_value structure */ 19580cba2b28SAlexander V. Chernikov struct _table_value { 19590cba2b28SAlexander V. Chernikov uint32_t tag; /* O_TAG/O_TAGGED */ 19600cba2b28SAlexander V. Chernikov uint32_t pipe; /* O_PIPE/O_QUEUE */ 19610cba2b28SAlexander V. Chernikov uint16_t divert; /* O_DIVERT/O_TEE */ 19620cba2b28SAlexander V. Chernikov uint16_t skipto; /* skipto, CALLRET */ 19630cba2b28SAlexander V. Chernikov uint32_t netgraph; /* O_NETGRAPH/O_NGTEE */ 19640cba2b28SAlexander V. Chernikov uint32_t fib; /* O_SETFIB */ 19650cba2b28SAlexander V. Chernikov uint32_t nat; /* O_NAT */ 19660cba2b28SAlexander V. Chernikov uint32_t nh4; 19670cba2b28SAlexander V. Chernikov uint8_t dscp; 19682530ed9eSAndrey V. Elsukov uint8_t spare0; 19692530ed9eSAndrey V. Elsukov uint16_t spare1; 19700cba2b28SAlexander V. Chernikov /* -- 32 bytes -- */ 19710cba2b28SAlexander V. Chernikov struct in6_addr nh6; 19720cba2b28SAlexander V. Chernikov uint32_t limit; /* O_LIMIT */ 19732530ed9eSAndrey V. Elsukov uint32_t zoneid; 19740cba2b28SAlexander V. Chernikov uint64_t refcnt; /* Number of references */ 19750cba2b28SAlexander V. Chernikov }; 19760cba2b28SAlexander V. Chernikov 19770cba2b28SAlexander V. Chernikov int 19780cba2b28SAlexander V. Chernikov compare_values(const void *_a, const void *_b) 19790cba2b28SAlexander V. Chernikov { 19800cba2b28SAlexander V. Chernikov struct _table_value *a, *b; 19810cba2b28SAlexander V. Chernikov 19820cba2b28SAlexander V. Chernikov a = (struct _table_value *)_a; 19830cba2b28SAlexander V. Chernikov b = (struct _table_value *)_b; 19840cba2b28SAlexander V. Chernikov 19850cba2b28SAlexander V. Chernikov if (a->spare1 < b->spare1) 19860cba2b28SAlexander V. Chernikov return (-1); 19870cba2b28SAlexander V. Chernikov else if (a->spare1 > b->spare1) 19880cba2b28SAlexander V. Chernikov return (1); 19890cba2b28SAlexander V. Chernikov 19900cba2b28SAlexander V. Chernikov return (0); 19910cba2b28SAlexander V. Chernikov } 19920cba2b28SAlexander V. Chernikov 19930cba2b28SAlexander V. Chernikov void 19940cba2b28SAlexander V. Chernikov ipfw_list_values(int ac, char *av[]) 19950cba2b28SAlexander V. Chernikov { 19960cba2b28SAlexander V. Chernikov ipfw_obj_lheader *olh; 19970cba2b28SAlexander V. Chernikov struct _table_value *v; 19980cba2b28SAlexander V. Chernikov int error, i; 19990cba2b28SAlexander V. Chernikov uint32_t vmask; 20000cba2b28SAlexander V. Chernikov char buf[128]; 20010cba2b28SAlexander V. Chernikov 20020cba2b28SAlexander V. Chernikov error = table_do_get_vlist(&olh); 20030cba2b28SAlexander V. Chernikov if (error != 0) 20040cba2b28SAlexander V. Chernikov err(EX_OSERR, "Unable to request value list"); 20050cba2b28SAlexander V. Chernikov 20060cba2b28SAlexander V. Chernikov vmask = 0x7FFFFFFF; /* Similar to IPFW_VTYPE_LEGACY */ 20070cba2b28SAlexander V. Chernikov 20080cba2b28SAlexander V. Chernikov table_print_valheader(buf, sizeof(buf), vmask); 20090cba2b28SAlexander V. Chernikov printf("HEADER: %s\n", buf); 20100cba2b28SAlexander V. Chernikov v = (struct _table_value *)(olh + 1); 20110cba2b28SAlexander V. Chernikov qsort(v, olh->count, olh->objsize, compare_values); 20120cba2b28SAlexander V. Chernikov for (i = 0; i < olh->count; i++) { 20130cba2b28SAlexander V. Chernikov table_show_value(buf, sizeof(buf), (ipfw_table_value *)v, 20140cba2b28SAlexander V. Chernikov vmask, 0); 2015d3de6c1dSAlexander V. Chernikov printf("[%u] refs=%lu %s\n", v->spare1, (u_long)v->refcnt, buf); 20160cba2b28SAlexander V. Chernikov v = (struct _table_value *)((caddr_t)v + olh->objsize); 20170cba2b28SAlexander V. Chernikov } 20180cba2b28SAlexander V. Chernikov 20190cba2b28SAlexander V. Chernikov free(olh); 20200cba2b28SAlexander V. Chernikov } 20210cba2b28SAlexander V. Chernikov 20226c2997ffSAlexander V. Chernikov int 20232acdf79fSAndrey V. Elsukov table_check_name(const char *tablename) 20246c2997ffSAlexander V. Chernikov { 20256c2997ffSAlexander V. Chernikov 20262acdf79fSAndrey V. Elsukov if (ipfw_check_object_name(tablename) != 0) 20276c2997ffSAlexander V. Chernikov return (EINVAL); 2028ac35ff17SAlexander V. Chernikov /* Restrict some 'special' names */ 2029ac35ff17SAlexander V. Chernikov if (strcmp(tablename, "all") == 0) 2030ac35ff17SAlexander V. Chernikov return (EINVAL); 20316c2997ffSAlexander V. Chernikov return (0); 20326c2997ffSAlexander V. Chernikov } 20336c2997ffSAlexander V. Chernikov 2034